Home / 25,551.50-38,331.89-10,558.65

Finding the Fourth Proportional to 25,551.50, 38,331.89 and 10,558.65

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Solution

The fourth proportional to 25,551.50, 38,331.89 and 10,558.65 is: 15,839.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,551.50 : 38,331.89 = 10,558.65 : x
  2. Step 2: Convert to fraction form
    25,551.50/38,331.89 = 10,558.65/x
  3. Step 3: Cross multiply
    25,551.50x = 38,331.89 × 10,558.65
  4. Step 4: Simplify right side
    25,551.50x = 404,732,957.56
  5. Step 5: Solve for x
    x = 404,732,957.56/25,551.50
  6. Step 6: Final answer
    x = 15,839.89

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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.