Home / 20,452.96-30,530.12-17,549.92

Finding the Fourth Proportional to 20,452.96, 30,530.12 and 17,549.92

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Solution

The fourth proportional to 20,452.96, 30,530.12 and 17,549.92 is: 26,196.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,452.96 : 30,530.12 = 17,549.92 : x
  2. Step 2: Convert to fraction form
    20,452.96/30,530.12 = 17,549.92/x
  3. Step 3: Cross multiply
    20,452.96x = 30,530.12 × 17,549.92
  4. Step 4: Simplify right side
    20,452.96x = 535,801,163.59
  5. Step 5: Solve for x
    x = 535,801,163.59/20,452.96
  6. Step 6: Final answer
    x = 26,196.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.