Home / 15,129.29-22,692.11-5,267.74

Finding the Fourth Proportional to 15,129.29, 22,692.11 and 5,267.74

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Solution

The fourth proportional to 15,129.29, 22,692.11 and 5,267.74 is: 7,900.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,129.29 : 22,692.11 = 5,267.74 : x
  2. Step 2: Convert to fraction form
    15,129.29/22,692.11 = 5,267.74/x
  3. Step 3: Cross multiply
    15,129.29x = 22,692.11 × 5,267.74
  4. Step 4: Simplify right side
    15,129.29x = 119,536,052.46
  5. Step 5: Solve for x
    x = 119,536,052.46/15,129.29
  6. Step 6: Final answer
    x = 7,900.97

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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.