Home / 23,716.80-32,702.40-20,191.68

Finding the Fourth Proportional to 23,716.80, 32,702.40 and 20,191.68

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Solution

The fourth proportional to 23,716.80, 32,702.40 and 20,191.68 is: 27,841.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,716.80 : 32,702.40 = 20,191.68 : x
  2. Step 2: Convert to fraction form
    23,716.80/32,702.40 = 20,191.68/x
  3. Step 3: Cross multiply
    23,716.80x = 32,702.40 × 20,191.68
  4. Step 4: Simplify right side
    23,716.80x = 660,316,396.03
  5. Step 5: Solve for x
    x = 660,316,396.03/23,716.80
  6. Step 6: Final answer
    x = 27,841.72

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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.