Home / 22,549.54-31,112.76-13,602.28

Finding the Fourth Proportional to 22,549.54, 31,112.76 and 13,602.28

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Solution

The fourth proportional to 22,549.54, 31,112.76 and 13,602.28 is: 18,767.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,549.54 : 31,112.76 = 13,602.28 : x
  2. Step 2: Convert to fraction form
    22,549.54/31,112.76 = 13,602.28/x
  3. Step 3: Cross multiply
    22,549.54x = 31,112.76 × 13,602.28
  4. Step 4: Simplify right side
    22,549.54x = 423,204,473.09
  5. Step 5: Solve for x
    x = 423,204,473.09/22,549.54
  6. Step 6: Final answer
    x = 18,767.77

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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.