Home / 13,126.59-19,691.87-4,692.47

Finding the Fourth Proportional to 13,126.59, 19,691.87 and 4,692.47

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Solution

The fourth proportional to 13,126.59, 19,691.87 and 4,692.47 is: 7,039.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.59 : 19,691.87 = 4,692.47 : x
  2. Step 2: Convert to fraction form
    13,126.59/19,691.87 = 4,692.47/x
  3. Step 3: Cross multiply
    13,126.59x = 19,691.87 × 4,692.47
  4. Step 4: Simplify right side
    13,126.59x = 92,403,387.30
  5. Step 5: Solve for x
    x = 92,403,387.30/13,126.59
  6. Step 6: Final answer
    x = 7,039.41

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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.