Home / 18,442.28-27,637.92-10,112.24

Finding the Fourth Proportional to 18,442.28, 27,637.92 and 10,112.24

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Solution

The fourth proportional to 18,442.28, 27,637.92 and 10,112.24 is: 15,154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442.28 : 27,637.92 = 10,112.24 : x
  2. Step 2: Convert to fraction form
    18,442.28/27,637.92 = 10,112.24/x
  3. Step 3: Cross multiply
    18,442.28x = 27,637.92 × 10,112.24
  4. Step 4: Simplify right side
    18,442.28x = 279,481,280.14
  5. Step 5: Solve for x
    x = 279,481,280.14/18,442.28
  6. Step 6: Final answer
    x = 15,154.38

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1.5x scale

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.