Home / 23,720.27-35,531.20-13,829.55

Finding the Fourth Proportional to 23,720.27, 35,531.20 and 13,829.55

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Solution

The fourth proportional to 23,720.27, 35,531.20 and 13,829.55 is: 20,715.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,720.27 : 35,531.20 = 13,829.55 : x
  2. Step 2: Convert to fraction form
    23,720.27/35,531.20 = 13,829.55/x
  3. Step 3: Cross multiply
    23,720.27x = 35,531.20 × 13,829.55
  4. Step 4: Simplify right side
    23,720.27x = 491,380,437.81
  5. Step 5: Solve for x
    x = 491,380,437.81/23,720.27
  6. Step 6: Final answer
    x = 20,715.63

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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.