Home / 23,220.36-32,043.27-12,609.78

Finding the Fourth Proportional to 23,220.36, 32,043.27 and 12,609.78

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Solution

The fourth proportional to 23,220.36, 32,043.27 and 12,609.78 is: 17,401.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.36 : 32,043.27 = 12,609.78 : x
  2. Step 2: Convert to fraction form
    23,220.36/32,043.27 = 12,609.78/x
  3. Step 3: Cross multiply
    23,220.36x = 32,043.27 × 12,609.78
  4. Step 4: Simplify right side
    23,220.36x = 404,058,585.18
  5. Step 5: Solve for x
    x = 404,058,585.18/23,220.36
  6. Step 6: Final answer
    x = 17,401.05

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Half scale
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Double scale
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Similar ratio
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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.