Home / 14,715.16-20,306.69-8,000.73

Finding the Fourth Proportional to 14,715.16, 20,306.69 and 8,000.73

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Solution

The fourth proportional to 14,715.16, 20,306.69 and 8,000.73 is: 11,040.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,715.16 : 20,306.69 = 8,000.73 : x
  2. Step 2: Convert to fraction form
    14,715.16/20,306.69 = 8,000.73/x
  3. Step 3: Cross multiply
    14,715.16x = 20,306.69 × 8,000.73
  4. Step 4: Simplify right side
    14,715.16x = 162,468,333.88
  5. Step 5: Solve for x
    x = 162,468,333.88/14,715.16
  6. Step 6: Final answer
    x = 11,040.88

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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.