Home / 14,960.60-20,654.22-9,931.62

Finding the Fourth Proportional to 14,960.60, 20,654.22 and 9,931.62

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Solution

The fourth proportional to 14,960.60, 20,654.22 and 9,931.62 is: 13,711.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,960.60 : 20,654.22 = 9,931.62 : x
  2. Step 2: Convert to fraction form
    14,960.60/20,654.22 = 9,931.62/x
  3. Step 3: Cross multiply
    14,960.60x = 20,654.22 × 9,931.62
  4. Step 4: Simplify right side
    14,960.60x = 205,129,864.44
  5. Step 5: Solve for x
    x = 205,129,864.44/14,960.60
  6. Step 6: Final answer
    x = 13,711.34

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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.