Home / 14,966.07-20,654.10-8,251.68

Finding the Fourth Proportional to 14,966.07, 20,654.10 and 8,251.68

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Solution

The fourth proportional to 14,966.07, 20,654.10 and 8,251.68 is: 11,387.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,966.07 : 20,654.10 = 8,251.68 : x
  2. Step 2: Convert to fraction form
    14,966.07/20,654.10 = 8,251.68/x
  3. Step 3: Cross multiply
    14,966.07x = 20,654.10 × 8,251.68
  4. Step 4: Simplify right side
    14,966.07x = 170,430,903.86
  5. Step 5: Solve for x
    x = 170,430,903.86/14,966.07
  6. Step 6: Final answer
    x = 11,387.82

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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.