Home / 15,129.26-22,674.18-7,727.48

Finding the Fourth Proportional to 15,129.26, 22,674.18 and 7,727.48

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Solution

The fourth proportional to 15,129.26, 22,674.18 and 7,727.48 is: 11,581.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,129.26 : 22,674.18 = 7,727.48 : x
  2. Step 2: Convert to fraction form
    15,129.26/22,674.18 = 7,727.48/x
  3. Step 3: Cross multiply
    15,129.26x = 22,674.18 × 7,727.48
  4. Step 4: Simplify right side
    15,129.26x = 175,214,272.47
  5. Step 5: Solve for x
    x = 175,214,272.47/15,129.26
  6. Step 6: Final answer
    x = 11,581.15

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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.