Home / 13,475.98-20,217.88-5,577.04

Finding the Fourth Proportional to 13,475.98, 20,217.88 and 5,577.04

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Solution

The fourth proportional to 13,475.98, 20,217.88 and 5,577.04 is: 8,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.98 : 20,217.88 = 5,577.04 : x
  2. Step 2: Convert to fraction form
    13,475.98/20,217.88 = 5,577.04/x
  3. Step 3: Cross multiply
    13,475.98x = 20,217.88 × 5,577.04
  4. Step 4: Simplify right side
    13,475.98x = 112,755,920.03
  5. Step 5: Solve for x
    x = 112,755,920.03/13,475.98
  6. Step 6: Final answer
    x = 8,367.18

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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.