Home / 15,129.90-22,694.98-5,269.16

Finding the Fourth Proportional to 15,129.90, 22,694.98 and 5,269.16

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Solution

The fourth proportional to 15,129.90, 22,694.98 and 5,269.16 is: 7,903.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,129.90 : 22,694.98 = 5,269.16 : x
  2. Step 2: Convert to fraction form
    15,129.90/22,694.98 = 5,269.16/x
  3. Step 3: Cross multiply
    15,129.90x = 22,694.98 × 5,269.16
  4. Step 4: Simplify right side
    15,129.90x = 119,583,480.82
  5. Step 5: Solve for x
    x = 119,583,480.82/15,129.90
  6. Step 6: Final answer
    x = 7,903.79

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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.