Home / 15,169.56-22,758.12-4,781.31

Finding the Fourth Proportional to 15,169.56, 22,758.12 and 4,781.31

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Solution

The fourth proportional to 15,169.56, 22,758.12 and 4,781.31 is: 7,173.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,169.56 : 22,758.12 = 4,781.31 : x
  2. Step 2: Convert to fraction form
    15,169.56/22,758.12 = 4,781.31/x
  3. Step 3: Cross multiply
    15,169.56x = 22,758.12 × 4,781.31
  4. Step 4: Simplify right side
    15,169.56x = 108,813,626.74
  5. Step 5: Solve for x
    x = 108,813,626.74/15,169.56
  6. Step 6: Final answer
    x = 7,173.16

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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.