Home / 17,520.80-24,177.69-9,966.08

Finding the Fourth Proportional to 17,520.80, 24,177.69 and 9,966.08

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Solution

The fourth proportional to 17,520.80, 24,177.69 and 9,966.08 is: 13,752.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520.80 : 24,177.69 = 9,966.08 : x
  2. Step 2: Convert to fraction form
    17,520.80/24,177.69 = 9,966.08/x
  3. Step 3: Cross multiply
    17,520.80x = 24,177.69 × 9,966.08
  4. Step 4: Simplify right side
    17,520.80x = 240,956,792.76
  5. Step 5: Solve for x
    x = 240,956,792.76/17,520.80
  6. Step 6: Final answer
    x = 13,752.61

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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.