Home / 13,126.08-19,691.16-4,359

Finding the Fourth Proportional to 13,126.08, 19,691.16 and 4,359

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Solution

The fourth proportional to 13,126.08, 19,691.16 and 4,359 is: 6,539.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.08 : 19,691.16 = 4,359 : x
  2. Step 2: Convert to fraction form
    13,126.08/19,691.16 = 4,359/x
  3. Step 3: Cross multiply
    13,126.08x = 19,691.16 × 4,359
  4. Step 4: Simplify right side
    13,126.08x = 85,833,766.44
  5. Step 5: Solve for x
    x = 85,833,766.44/13,126.08
  6. Step 6: Final answer
    x = 6,539.18

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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.