Home / 22,693.20-34,039.80-12,851.70

Finding the Fourth Proportional to 22,693.20, 34,039.80 and 12,851.70

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Solution

The fourth proportional to 22,693.20, 34,039.80 and 12,851.70 is: 19,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,693.20 : 34,039.80 = 12,851.70 : x
  2. Step 2: Convert to fraction form
    22,693.20/34,039.80 = 12,851.70/x
  3. Step 3: Cross multiply
    22,693.20x = 34,039.80 × 12,851.70
  4. Step 4: Simplify right side
    22,693.20x = 437,469,297.66
  5. Step 5: Solve for x
    x = 437,469,297.66/22,693.20
  6. Step 6: Final answer
    x = 19,277.55

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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.