Home / 15,142.62-22,718.79-4,614.70

Finding the Fourth Proportional to 15,142.62, 22,718.79 and 4,614.70

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Solution

The fourth proportional to 15,142.62, 22,718.79 and 4,614.70 is: 6,923.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,142.62 : 22,718.79 = 4,614.70 : x
  2. Step 2: Convert to fraction form
    15,142.62/22,718.79 = 4,614.70/x
  3. Step 3: Cross multiply
    15,142.62x = 22,718.79 × 4,614.70
  4. Step 4: Simplify right side
    15,142.62x = 104,840,400.21
  5. Step 5: Solve for x
    x = 104,840,400.21/15,142.62
  6. Step 6: Final answer
    x = 6,923.53

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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.