Home / 18,337.50-25,306.29-9,954.54

Finding the Fourth Proportional to 18,337.50, 25,306.29 and 9,954.54

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Solution

The fourth proportional to 18,337.50, 25,306.29 and 9,954.54 is: 13,737.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.50 : 25,306.29 = 9,954.54 : x
  2. Step 2: Convert to fraction form
    18,337.50/25,306.29 = 9,954.54/x
  3. Step 3: Cross multiply
    18,337.50x = 25,306.29 × 9,954.54
  4. Step 4: Simplify right side
    18,337.50x = 251,912,476.06
  5. Step 5: Solve for x
    x = 251,912,476.06/18,337.50
  6. Step 6: Final answer
    x = 13,737.56

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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.