Home / 23,291.44-32,142.96-13,220.34

Finding the Fourth Proportional to 23,291.44, 32,142.96 and 13,220.34

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Solution

The fourth proportional to 23,291.44, 32,142.96 and 13,220.34 is: 18,244.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,291.44 : 32,142.96 = 13,220.34 : x
  2. Step 2: Convert to fraction form
    23,291.44/32,142.96 = 13,220.34/x
  3. Step 3: Cross multiply
    23,291.44x = 32,142.96 × 13,220.34
  4. Step 4: Simplify right side
    23,291.44x = 424,940,859.81
  5. Step 5: Solve for x
    x = 424,940,859.81/23,291.44
  6. Step 6: Final answer
    x = 18,244.51

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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.