Home / 22,632.85-34,084.83-20,612.78

Finding the Fourth Proportional to 22,632.85, 34,084.83 and 20,612.78

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Solution

The fourth proportional to 22,632.85, 34,084.83 and 20,612.78 is: 31,042.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,632.85 : 34,084.83 = 20,612.78 : x
  2. Step 2: Convert to fraction form
    22,632.85/34,084.83 = 20,612.78/x
  3. Step 3: Cross multiply
    22,632.85x = 34,084.83 × 20,612.78
  4. Step 4: Simplify right side
    22,632.85x = 702,583,136.82
  5. Step 5: Solve for x
    x = 702,583,136.82/22,632.85
  6. Step 6: Final answer
    x = 31,042.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.