Home / 22,486.75-31,030.90-12,414.97

Finding the Fourth Proportional to 22,486.75, 31,030.90 and 12,414.97

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Solution

The fourth proportional to 22,486.75, 31,030.90 and 12,414.97 is: 17,132.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486.75 : 31,030.90 = 12,414.97 : x
  2. Step 2: Convert to fraction form
    22,486.75/31,030.90 = 12,414.97/x
  3. Step 3: Cross multiply
    22,486.75x = 31,030.90 × 12,414.97
  4. Step 4: Simplify right side
    22,486.75x = 385,247,692.57
  5. Step 5: Solve for x
    x = 385,247,692.57/22,486.75
  6. Step 6: Final answer
    x = 17,132.21

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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.