Home / 18,002.28-26,995.50-8,141.16

Finding the Fourth Proportional to 18,002.28, 26,995.50 and 8,141.16

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Solution

The fourth proportional to 18,002.28, 26,995.50 and 8,141.16 is: 12,208.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,002.28 : 26,995.50 = 8,141.16 : x
  2. Step 2: Convert to fraction form
    18,002.28/26,995.50 = 8,141.16/x
  3. Step 3: Cross multiply
    18,002.28x = 26,995.50 × 8,141.16
  4. Step 4: Simplify right side
    18,002.28x = 219,774,684.78
  5. Step 5: Solve for x
    x = 219,774,684.78/18,002.28
  6. Step 6: Final answer
    x = 12,208.16

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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.