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Finding the Fourth Proportional to 14,593.10, 20,270.79 and 14,366.97

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Solution

The fourth proportional to 14,593.10, 20,270.79 and 14,366.97 is: 19,956.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,593.10 : 20,270.79 = 14,366.97 : x
  2. Step 2: Convert to fraction form
    14,593.10/20,270.79 = 14,366.97/x
  3. Step 3: Cross multiply
    14,593.10x = 20,270.79 × 14,366.97
  4. Step 4: Simplify right side
    14,593.10x = 291,229,831.81
  5. Step 5: Solve for x
    x = 291,229,831.81/14,593.10
  6. Step 6: Final answer
    x = 19,956.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.