Home / 23,284.13-32,164.76-20,765.43

Finding the Fourth Proportional to 23,284.13, 32,164.76 and 20,765.43

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Solution

The fourth proportional to 23,284.13, 32,164.76 and 20,765.43 is: 28,685.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,284.13 : 32,164.76 = 20,765.43 : x
  2. Step 2: Convert to fraction form
    23,284.13/32,164.76 = 20,765.43/x
  3. Step 3: Cross multiply
    23,284.13x = 32,164.76 × 20,765.43
  4. Step 4: Simplify right side
    23,284.13x = 667,915,124.16
  5. Step 5: Solve for x
    x = 667,915,124.16/23,284.13
  6. Step 6: Final answer
    x = 28,685.43

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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.