Home / 25,397.32-38,072.64-8,753.40

Finding the Fourth Proportional to 25,397.32, 38,072.64 and 8,753.40

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Solution

The fourth proportional to 25,397.32, 38,072.64 and 8,753.40 is: 13,122.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,397.32 : 38,072.64 = 8,753.40 : x
  2. Step 2: Convert to fraction form
    25,397.32/38,072.64 = 8,753.40/x
  3. Step 3: Cross multiply
    25,397.32x = 38,072.64 × 8,753.40
  4. Step 4: Simplify right side
    25,397.32x = 333,265,046.98
  5. Step 5: Solve for x
    x = 333,265,046.98/25,397.32
  6. Step 6: Final answer
    x = 13,122.06

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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.