Home / 20,258.61-27,954.11-11,304.97

Finding the Fourth Proportional to 20,258.61, 27,954.11 and 11,304.97

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Solution

The fourth proportional to 20,258.61, 27,954.11 and 11,304.97 is: 15,599.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258.61 : 27,954.11 = 11,304.97 : x
  2. Step 2: Convert to fraction form
    20,258.61/27,954.11 = 11,304.97/x
  3. Step 3: Cross multiply
    20,258.61x = 27,954.11 × 11,304.97
  4. Step 4: Simplify right side
    20,258.61x = 316,020,333.30
  5. Step 5: Solve for x
    x = 316,020,333.30/20,258.61
  6. Step 6: Final answer
    x = 15,599.31

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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.