Home / 13,715.52-20,573.28-3,327.26

Finding the Fourth Proportional to 13,715.52, 20,573.28 and 3,327.26

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Solution

The fourth proportional to 13,715.52, 20,573.28 and 3,327.26 is: 4,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715.52 : 20,573.28 = 3,327.26 : x
  2. Step 2: Convert to fraction form
    13,715.52/20,573.28 = 3,327.26/x
  3. Step 3: Cross multiply
    13,715.52x = 20,573.28 × 3,327.26
  4. Step 4: Simplify right side
    13,715.52x = 68,452,651.61
  5. Step 5: Solve for x
    x = 68,452,651.61/13,715.52
  6. Step 6: Final answer
    x = 4,990.89

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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.