Home / 23,331.72-32,198.12-12,721.53

Finding the Fourth Proportional to 23,331.72, 32,198.12 and 12,721.53

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Solution

The fourth proportional to 23,331.72, 32,198.12 and 12,721.53 is: 17,555.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,331.72 : 32,198.12 = 12,721.53 : x
  2. Step 2: Convert to fraction form
    23,331.72/32,198.12 = 12,721.53/x
  3. Step 3: Cross multiply
    23,331.72x = 32,198.12 × 12,721.53
  4. Step 4: Simplify right side
    23,331.72x = 409,609,349.52
  5. Step 5: Solve for x
    x = 409,609,349.52/23,331.72
  6. Step 6: Final answer
    x = 17,555.90

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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.