Home / 23,121.88-34,692.04-13,766.30

Finding the Fourth Proportional to 23,121.88, 34,692.04 and 13,766.30

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Solution

The fourth proportional to 23,121.88, 34,692.04 and 13,766.30 is: 20,654.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,121.88 : 34,692.04 = 13,766.30 : x
  2. Step 2: Convert to fraction form
    23,121.88/34,692.04 = 13,766.30/x
  3. Step 3: Cross multiply
    23,121.88x = 34,692.04 × 13,766.30
  4. Step 4: Simplify right side
    23,121.88x = 477,581,030.25
  5. Step 5: Solve for x
    x = 477,581,030.25/23,121.88
  6. Step 6: Final answer
    x = 20,654.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.