Home / 13,577.22-20,359.76-5,250.83

Finding the Fourth Proportional to 13,577.22, 20,359.76 and 5,250.83

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Solution

The fourth proportional to 13,577.22, 20,359.76 and 5,250.83 is: 7,873.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.22 : 20,359.76 = 5,250.83 : x
  2. Step 2: Convert to fraction form
    13,577.22/20,359.76 = 5,250.83/x
  3. Step 3: Cross multiply
    13,577.22x = 20,359.76 × 5,250.83
  4. Step 4: Simplify right side
    13,577.22x = 106,905,510.55
  5. Step 5: Solve for x
    x = 106,905,510.55/13,577.22
  6. Step 6: Final answer
    x = 7,873.89

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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.