Home / 21,817.33-32,578.19-17,324.57

Finding the Fourth Proportional to 21,817.33, 32,578.19 and 17,324.57

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Solution

The fourth proportional to 21,817.33, 32,578.19 and 17,324.57 is: 25,869.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,817.33 : 32,578.19 = 17,324.57 : x
  2. Step 2: Convert to fraction form
    21,817.33/32,578.19 = 17,324.57/x
  3. Step 3: Cross multiply
    21,817.33x = 32,578.19 × 17,324.57
  4. Step 4: Simplify right side
    21,817.33x = 564,403,133.13
  5. Step 5: Solve for x
    x = 564,403,133.13/21,817.33
  6. Step 6: Final answer
    x = 25,869.49

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.