Home / 22,517.24-31,072.14-12,445.11

Finding the Fourth Proportional to 22,517.24, 31,072.14 and 12,445.11

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Solution

The fourth proportional to 22,517.24, 31,072.14 and 12,445.11 is: 17,173.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,517.24 : 31,072.14 = 12,445.11 : x
  2. Step 2: Convert to fraction form
    22,517.24/31,072.14 = 12,445.11/x
  3. Step 3: Cross multiply
    22,517.24x = 31,072.14 × 12,445.11
  4. Step 4: Simplify right side
    22,517.24x = 386,696,200.24
  5. Step 5: Solve for x
    x = 386,696,200.24/22,517.24
  6. Step 6: Final answer
    x = 17,173.34

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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.