Home / 25,115.25-37,672.88-19,572.74

Finding the Fourth Proportional to 25,115.25, 37,672.88 and 19,572.74

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Solution

The fourth proportional to 25,115.25, 37,672.88 and 19,572.74 is: 29,359.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115.25 : 37,672.88 = 19,572.74 : x
  2. Step 2: Convert to fraction form
    25,115.25/37,672.88 = 19,572.74/x
  3. Step 3: Cross multiply
    25,115.25x = 37,672.88 × 19,572.74
  4. Step 4: Simplify right side
    25,115.25x = 737,361,485.29
  5. Step 5: Solve for x
    x = 737,361,485.29/25,115.25
  6. Step 6: Final answer
    x = 29,359.11

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Half scale
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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.