Home / 26,719.70-40,076.02-11,925.20

Finding the Fourth Proportional to 26,719.70, 40,076.02 and 11,925.20

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Solution

The fourth proportional to 26,719.70, 40,076.02 and 11,925.20 is: 17,886.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,719.70 : 40,076.02 = 11,925.20 : x
  2. Step 2: Convert to fraction form
    26,719.70/40,076.02 = 11,925.20/x
  3. Step 3: Cross multiply
    26,719.70x = 40,076.02 × 11,925.20
  4. Step 4: Simplify right side
    26,719.70x = 477,914,553.70
  5. Step 5: Solve for x
    x = 477,914,553.70/26,719.70
  6. Step 6: Final answer
    x = 17,886.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.