Home / 38,442.98-57,672.94-11,792.64

Finding the Fourth Proportional to 38,442.98, 57,672.94 and 11,792.64

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Solution

The fourth proportional to 38,442.98, 57,672.94 and 11,792.64 is: 17,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,442.98 : 57,672.94 = 11,792.64 : x
  2. Step 2: Convert to fraction form
    38,442.98/57,672.94 = 11,792.64/x
  3. Step 3: Cross multiply
    38,442.98x = 57,672.94 × 11,792.64
  4. Step 4: Simplify right side
    38,442.98x = 680,116,070.49
  5. Step 5: Solve for x
    x = 680,116,070.49/38,442.98
  6. Step 6: Final answer
    x = 17,691.55

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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.