Home / 22,719.17-34,080.11-7,136.79

Finding the Fourth Proportional to 22,719.17, 34,080.11 and 7,136.79

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Solution

The fourth proportional to 22,719.17, 34,080.11 and 7,136.79 is: 10,705.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,719.17 : 34,080.11 = 7,136.79 : x
  2. Step 2: Convert to fraction form
    22,719.17/34,080.11 = 7,136.79/x
  3. Step 3: Cross multiply
    22,719.17x = 34,080.11 × 7,136.79
  4. Step 4: Simplify right side
    22,719.17x = 243,222,552.56
  5. Step 5: Solve for x
    x = 243,222,552.56/22,719.17
  6. Step 6: Final answer
    x = 10,705.61

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1.5x scale

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.