Home / 24,002.12-33,121.86-13,929.78

Finding the Fourth Proportional to 24,002.12, 33,121.86 and 13,929.78

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Solution

The fourth proportional to 24,002.12, 33,121.86 and 13,929.78 is: 19,222.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,002.12 : 33,121.86 = 13,929.78 : x
  2. Step 2: Convert to fraction form
    24,002.12/33,121.86 = 13,929.78/x
  3. Step 3: Cross multiply
    24,002.12x = 33,121.86 × 13,929.78
  4. Step 4: Simplify right side
    24,002.12x = 461,380,222.99
  5. Step 5: Solve for x
    x = 461,380,222.99/24,002.12
  6. Step 6: Final answer
    x = 19,222.48

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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.