Home / 15,955.74-22,017.96-9,240.87

Finding the Fourth Proportional to 15,955.74, 22,017.96 and 9,240.87

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Solution

The fourth proportional to 15,955.74, 22,017.96 and 9,240.87 is: 12,751.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955.74 : 22,017.96 = 9,240.87 : x
  2. Step 2: Convert to fraction form
    15,955.74/22,017.96 = 9,240.87/x
  3. Step 3: Cross multiply
    15,955.74x = 22,017.96 × 9,240.87
  4. Step 4: Simplify right side
    15,955.74x = 203,465,106.03
  5. Step 5: Solve for x
    x = 203,465,106.03/15,955.74
  6. Step 6: Final answer
    x = 12,751.84

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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.