Home / 22,692.18-31,310.73-13,740.52

Finding the Fourth Proportional to 22,692.18, 31,310.73 and 13,740.52

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Solution

The fourth proportional to 22,692.18, 31,310.73 and 13,740.52 is: 18,959.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,692.18 : 31,310.73 = 13,740.52 : x
  2. Step 2: Convert to fraction form
    22,692.18/31,310.73 = 13,740.52/x
  3. Step 3: Cross multiply
    22,692.18x = 31,310.73 × 13,740.52
  4. Step 4: Simplify right side
    22,692.18x = 430,225,711.78
  5. Step 5: Solve for x
    x = 430,225,711.78/22,692.18
  6. Step 6: Final answer
    x = 18,959.21

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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.