Home / 19,442.08-29,170.92-9,581.12

Finding the Fourth Proportional to 19,442.08, 29,170.92 and 9,581.12

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Solution

The fourth proportional to 19,442.08, 29,170.92 and 9,581.12 is: 14,375.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,442.08 : 29,170.92 = 9,581.12 : x
  2. Step 2: Convert to fraction form
    19,442.08/29,170.92 = 9,581.12/x
  3. Step 3: Cross multiply
    19,442.08x = 29,170.92 × 9,581.12
  4. Step 4: Simplify right side
    19,442.08x = 279,490,085.03
  5. Step 5: Solve for x
    x = 279,490,085.03/19,442.08
  6. Step 6: Final answer
    x = 14,375.52

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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.