Home / 22,338.15-30,804.97-15,086.19

Finding the Fourth Proportional to 22,338.15, 30,804.97 and 15,086.19

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Solution

The fourth proportional to 22,338.15, 30,804.97 and 15,086.19 is: 20,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,338.15 : 30,804.97 = 15,086.19 : x
  2. Step 2: Convert to fraction form
    22,338.15/30,804.97 = 15,086.19/x
  3. Step 3: Cross multiply
    22,338.15x = 30,804.97 × 15,086.19
  4. Step 4: Simplify right side
    22,338.15x = 464,729,630.36
  5. Step 5: Solve for x
    x = 464,729,630.36/22,338.15
  6. Step 6: Final answer
    x = 20,804.30

Related Problems

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Half scale
Find fourth proportional to 44,676.30, 61,609.94 and 30,172.38
Double scale
Find fourth proportional to 22,339.15, 30,806.35 and 15,087.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.