Home / 14,867.55-20,517.17-8,153.01

Finding the Fourth Proportional to 14,867.55, 20,517.17 and 8,153.01

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Solution

The fourth proportional to 14,867.55, 20,517.17 and 8,153.01 is: 11,251.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,867.55 : 20,517.17 = 8,153.01 : x
  2. Step 2: Convert to fraction form
    14,867.55/20,517.17 = 8,153.01/x
  3. Step 3: Cross multiply
    14,867.55x = 20,517.17 × 8,153.01
  4. Step 4: Simplify right side
    14,867.55x = 167,276,651.42
  5. Step 5: Solve for x
    x = 167,276,651.42/14,867.55
  6. Step 6: Final answer
    x = 11,251.12

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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.