Home / 13,530.64-20,296.68-5,097.04

Finding the Fourth Proportional to 13,530.64, 20,296.68 and 5,097.04

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Solution

The fourth proportional to 13,530.64, 20,296.68 and 5,097.04 is: 7,645.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530.64 : 20,296.68 = 5,097.04 : x
  2. Step 2: Convert to fraction form
    13,530.64/20,296.68 = 5,097.04/x
  3. Step 3: Cross multiply
    13,530.64x = 20,296.68 × 5,097.04
  4. Step 4: Simplify right side
    13,530.64x = 103,452,989.83
  5. Step 5: Solve for x
    x = 103,452,989.83/13,530.64
  6. Step 6: Final answer
    x = 7,645.83

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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.