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Finding the Fourth Proportional to 14,875.13, 20,527.68 and 8,251.13

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Solution

The fourth proportional to 14,875.13, 20,527.68 and 8,251.13 is: 11,386.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.13 : 20,527.68 = 8,251.13 : x
  2. Step 2: Convert to fraction form
    14,875.13/20,527.68 = 8,251.13/x
  3. Step 3: Cross multiply
    14,875.13x = 20,527.68 × 8,251.13
  4. Step 4: Simplify right side
    14,875.13x = 169,376,453.64
  5. Step 5: Solve for x
    x = 169,376,453.64/14,875.13
  6. Step 6: Final answer
    x = 11,386.56

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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.