Home / 17,778.62-24,534.36-9,820.71

Finding the Fourth Proportional to 17,778.62, 24,534.36 and 9,820.71

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Solution

The fourth proportional to 17,778.62, 24,534.36 and 9,820.71 is: 13,552.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778.62 : 24,534.36 = 9,820.71 : x
  2. Step 2: Convert to fraction form
    17,778.62/24,534.36 = 9,820.71/x
  3. Step 3: Cross multiply
    17,778.62x = 24,534.36 × 9,820.71
  4. Step 4: Simplify right side
    17,778.62x = 240,944,834.60
  5. Step 5: Solve for x
    x = 240,944,834.60/17,778.62
  6. Step 6: Final answer
    x = 13,552.50

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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.