Home / 23,220.50-32,043.43-12,609.90

Finding the Fourth Proportional to 23,220.50, 32,043.43 and 12,609.90

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Solution

The fourth proportional to 23,220.50, 32,043.43 and 12,609.90 is: 17,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.50 : 32,043.43 = 12,609.90 : x
  2. Step 2: Convert to fraction form
    23,220.50/32,043.43 = 12,609.90/x
  3. Step 3: Cross multiply
    23,220.50x = 32,043.43 × 12,609.90
  4. Step 4: Simplify right side
    23,220.50x = 404,064,384.91
  5. Step 5: Solve for x
    x = 404,064,384.91/23,220.50
  6. Step 6: Final answer
    x = 17,401.20

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Half scale
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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.