Home / 17,278.71-23,848.19-11,236.51

Finding the Fourth Proportional to 17,278.71, 23,848.19 and 11,236.51

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Solution

The fourth proportional to 17,278.71, 23,848.19 and 11,236.51 is: 15,508.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,278.71 : 23,848.19 = 11,236.51 : x
  2. Step 2: Convert to fraction form
    17,278.71/23,848.19 = 11,236.51/x
  3. Step 3: Cross multiply
    17,278.71x = 23,848.19 × 11,236.51
  4. Step 4: Simplify right side
    17,278.71x = 267,970,425.42
  5. Step 5: Solve for x
    x = 267,970,425.42/17,278.71
  6. Step 6: Final answer
    x = 15,508.71

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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.