Home / 22,540.70-31,102.22-14,040.12

Finding the Fourth Proportional to 22,540.70, 31,102.22 and 14,040.12

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Solution

The fourth proportional to 22,540.70, 31,102.22 and 14,040.12 is: 19,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,540.70 : 31,102.22 = 14,040.12 : x
  2. Step 2: Convert to fraction form
    22,540.70/31,102.22 = 14,040.12/x
  3. Step 3: Cross multiply
    22,540.70x = 31,102.22 × 14,040.12
  4. Step 4: Simplify right side
    22,540.70x = 436,678,830.87
  5. Step 5: Solve for x
    x = 436,678,830.87/22,540.70
  6. Step 6: Final answer
    x = 19,372.91

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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.