Home / 25,074.88-34,592.20-16,120.72

Finding the Fourth Proportional to 25,074.88, 34,592.20 and 16,120.72

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Solution

The fourth proportional to 25,074.88, 34,592.20 and 16,120.72 is: 22,239.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,074.88 : 34,592.20 = 16,120.72 : x
  2. Step 2: Convert to fraction form
    25,074.88/34,592.20 = 16,120.72/x
  3. Step 3: Cross multiply
    25,074.88x = 34,592.20 × 16,120.72
  4. Step 4: Simplify right side
    25,074.88x = 557,651,170.38
  5. Step 5: Solve for x
    x = 557,651,170.38/25,074.88
  6. Step 6: Final answer
    x = 22,239.44

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Half scale
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Double scale
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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.