Home / 24,076.80-36,115.20-19,929.60

Finding the Fourth Proportional to 24,076.80, 36,115.20 and 19,929.60

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Solution

The fourth proportional to 24,076.80, 36,115.20 and 19,929.60 is: 29,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,076.80 : 36,115.20 = 19,929.60 : x
  2. Step 2: Convert to fraction form
    24,076.80/36,115.20 = 19,929.60/x
  3. Step 3: Cross multiply
    24,076.80x = 36,115.20 × 19,929.60
  4. Step 4: Simplify right side
    24,076.80x = 719,761,489.92
  5. Step 5: Solve for x
    x = 719,761,489.92/24,076.80
  6. Step 6: Final answer
    x = 29,894.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.