Home / 14,581.35-20,127.13-9,799.70

Finding the Fourth Proportional to 14,581.35, 20,127.13 and 9,799.70

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Solution

The fourth proportional to 14,581.35, 20,127.13 and 9,799.70 is: 13,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.35 : 20,127.13 = 9,799.70 : x
  2. Step 2: Convert to fraction form
    14,581.35/20,127.13 = 9,799.70/x
  3. Step 3: Cross multiply
    14,581.35x = 20,127.13 × 9,799.70
  4. Step 4: Simplify right side
    14,581.35x = 197,239,710.73
  5. Step 5: Solve for x
    x = 197,239,710.73/14,581.35
  6. Step 6: Final answer
    x = 13,526.85

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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.