Home / 15,094.36-20,823-9,041.68

Finding the Fourth Proportional to 15,094.36, 20,823 and 9,041.68

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Solution

The fourth proportional to 15,094.36, 20,823 and 9,041.68 is: 12,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,094.36 : 20,823 = 9,041.68 : x
  2. Step 2: Convert to fraction form
    15,094.36/20,823 = 9,041.68/x
  3. Step 3: Cross multiply
    15,094.36x = 20,823 × 9,041.68
  4. Step 4: Simplify right side
    15,094.36x = 188,274,902.64
  5. Step 5: Solve for x
    x = 188,274,902.64/15,094.36
  6. Step 6: Final answer
    x = 12,473.20

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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.