Home / 25,555.13-38,332.70-11,498.74

Finding the Fourth Proportional to 25,555.13, 38,332.70 and 11,498.74

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Solution

The fourth proportional to 25,555.13, 38,332.70 and 11,498.74 is: 17,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,555.13 : 38,332.70 = 11,498.74 : x
  2. Step 2: Convert to fraction form
    25,555.13/38,332.70 = 11,498.74/x
  3. Step 3: Cross multiply
    25,555.13x = 38,332.70 × 11,498.74
  4. Step 4: Simplify right side
    25,555.13x = 440,777,750.80
  5. Step 5: Solve for x
    x = 440,777,750.80/25,555.13
  6. Step 6: Final answer
    x = 17,248.11

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Double scale
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Similar ratio
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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.