Home / 35,439.32-53,164.17-12,951.11

Finding the Fourth Proportional to 35,439.32, 53,164.17 and 12,951.11

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Solution

The fourth proportional to 35,439.32, 53,164.17 and 12,951.11 is: 19,428.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,439.32 : 53,164.17 = 12,951.11 : x
  2. Step 2: Convert to fraction form
    35,439.32/53,164.17 = 12,951.11/x
  3. Step 3: Cross multiply
    35,439.32x = 53,164.17 × 12,951.11
  4. Step 4: Simplify right side
    35,439.32x = 688,535,013.73
  5. Step 5: Solve for x
    x = 688,535,013.73/35,439.32
  6. Step 6: Final answer
    x = 19,428.56

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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.