Home / 23,331.85-32,197.70-12,721.25

Finding the Fourth Proportional to 23,331.85, 32,197.70 and 12,721.25

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Solution

The fourth proportional to 23,331.85, 32,197.70 and 12,721.25 is: 17,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,331.85 : 32,197.70 = 12,721.25 : x
  2. Step 2: Convert to fraction form
    23,331.85/32,197.70 = 12,721.25/x
  3. Step 3: Cross multiply
    23,331.85x = 32,197.70 × 12,721.25
  4. Step 4: Simplify right side
    23,331.85x = 409,595,103.42
  5. Step 5: Solve for x
    x = 409,595,103.42/23,331.85
  6. Step 6: Final answer
    x = 17,555.19

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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.