Home / 13,773.52-20,656.60-5,980.56

Finding the Fourth Proportional to 13,773.52, 20,656.60 and 5,980.56

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Solution

The fourth proportional to 13,773.52, 20,656.60 and 5,980.56 is: 8,969.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.52 : 20,656.60 = 5,980.56 : x
  2. Step 2: Convert to fraction form
    13,773.52/20,656.60 = 5,980.56/x
  3. Step 3: Cross multiply
    13,773.52x = 20,656.60 × 5,980.56
  4. Step 4: Simplify right side
    13,773.52x = 123,538,035.70
  5. Step 5: Solve for x
    x = 123,538,035.70/13,773.52
  6. Step 6: Final answer
    x = 8,969.24

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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.