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Finding the Fourth Proportional to 18,882.98, 26,062.28 and 14,398.71

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Solution

The fourth proportional to 18,882.98, 26,062.28 and 14,398.71 is: 19,873.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.98 : 26,062.28 = 14,398.71 : x
  2. Step 2: Convert to fraction form
    18,882.98/26,062.28 = 14,398.71/x
  3. Step 3: Cross multiply
    18,882.98x = 26,062.28 × 14,398.71
  4. Step 4: Simplify right side
    18,882.98x = 375,263,139.67
  5. Step 5: Solve for x
    x = 375,263,139.67/18,882.98
  6. Step 6: Final answer
    x = 19,873.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.