Home / 15,931.39-23,896.17-7,617.15

Finding the Fourth Proportional to 15,931.39, 23,896.17 and 7,617.15

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Solution

The fourth proportional to 15,931.39, 23,896.17 and 7,617.15 is: 11,425.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,931.39 : 23,896.17 = 7,617.15 : x
  2. Step 2: Convert to fraction form
    15,931.39/23,896.17 = 7,617.15/x
  3. Step 3: Cross multiply
    15,931.39x = 23,896.17 × 7,617.15
  4. Step 4: Simplify right side
    15,931.39x = 182,020,711.32
  5. Step 5: Solve for x
    x = 182,020,711.32/15,931.39
  6. Step 6: Final answer
    x = 11,425.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.