Home / 25,397.76-38,100.20-10,603.31

Finding the Fourth Proportional to 25,397.76, 38,100.20 and 10,603.31

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Solution

The fourth proportional to 25,397.76, 38,100.20 and 10,603.31 is: 15,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,397.76 : 38,100.20 = 10,603.31 : x
  2. Step 2: Convert to fraction form
    25,397.76/38,100.20 = 10,603.31/x
  3. Step 3: Cross multiply
    25,397.76x = 38,100.20 × 10,603.31
  4. Step 4: Simplify right side
    25,397.76x = 403,988,083.39
  5. Step 5: Solve for x
    x = 403,988,083.39/25,397.76
  6. Step 6: Final answer
    x = 15,906.45

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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.