Home / 13,773.17-20,651.53-5,454.38

Finding the Fourth Proportional to 13,773.17, 20,651.53 and 5,454.38

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Solution

The fourth proportional to 13,773.17, 20,651.53 and 5,454.38 is: 8,178.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.17 : 20,651.53 = 5,454.38 : x
  2. Step 2: Convert to fraction form
    13,773.17/20,651.53 = 5,454.38/x
  3. Step 3: Cross multiply
    13,773.17x = 20,651.53 × 5,454.38
  4. Step 4: Simplify right side
    13,773.17x = 112,641,292.20
  5. Step 5: Solve for x
    x = 112,641,292.20/13,773.17
  6. Step 6: Final answer
    x = 8,178.31

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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.