Home / 13,367.60-18,449.24-7,701.25

Finding the Fourth Proportional to 13,367.60, 18,449.24 and 7,701.25

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Solution

The fourth proportional to 13,367.60, 18,449.24 and 7,701.25 is: 10,628.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.60 : 18,449.24 = 7,701.25 : x
  2. Step 2: Convert to fraction form
    13,367.60/18,449.24 = 7,701.25/x
  3. Step 3: Cross multiply
    13,367.60x = 18,449.24 × 7,701.25
  4. Step 4: Simplify right side
    13,367.60x = 142,082,209.55
  5. Step 5: Solve for x
    x = 142,082,209.55/13,367.60
  6. Step 6: Final answer
    x = 10,628.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.