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Finding the Fourth Proportional to 14,865.39, 20,514.08 and 8,151.00

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Solution

The fourth proportional to 14,865.39, 20,514.08 and 8,151.00 is: 11,248.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.39 : 20,514.08 = 8,151.00 : x
  2. Step 2: Convert to fraction form
    14,865.39/20,514.08 = 8,151.00/x
  3. Step 3: Cross multiply
    14,865.39x = 20,514.08 × 8,151.00
  4. Step 4: Simplify right side
    14,865.39x = 167,210,148.40
  5. Step 5: Solve for x
    x = 167,210,148.40/14,865.39
  6. Step 6: Final answer
    x = 11,248.29

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