Home / 15,581.68-23,358.66-5,718.70

Finding the Fourth Proportional to 15,581.68, 23,358.66 and 5,718.70

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Solution

The fourth proportional to 15,581.68, 23,358.66 and 5,718.70 is: 8,572.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.68 : 23,358.66 = 5,718.70 : x
  2. Step 2: Convert to fraction form
    15,581.68/23,358.66 = 5,718.70/x
  3. Step 3: Cross multiply
    15,581.68x = 23,358.66 × 5,718.70
  4. Step 4: Simplify right side
    15,581.68x = 133,581,168.94
  5. Step 5: Solve for x
    x = 133,581,168.94/15,581.68
  6. Step 6: Final answer
    x = 8,572.96

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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.