Home / 23,331.27-32,197.49-12,720.90

Finding the Fourth Proportional to 23,331.27, 32,197.49 and 12,720.90

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Solution

The fourth proportional to 23,331.27, 32,197.49 and 12,720.90 is: 17,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,331.27 : 32,197.49 = 12,720.90 : x
  2. Step 2: Convert to fraction form
    23,331.27/32,197.49 = 12,720.90/x
  3. Step 3: Cross multiply
    23,331.27x = 32,197.49 × 12,720.90
  4. Step 4: Simplify right side
    23,331.27x = 409,581,050.54
  5. Step 5: Solve for x
    x = 409,581,050.54/23,331.27
  6. Step 6: Final answer
    x = 17,555.03

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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.