Home / 18,423.08-27,642.72-6,738.04

Finding the Fourth Proportional to 18,423.08, 27,642.72 and 6,738.04

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Solution

The fourth proportional to 18,423.08, 27,642.72 and 6,738.04 is: 10,110.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.08 : 27,642.72 = 6,738.04 : x
  2. Step 2: Convert to fraction form
    18,423.08/27,642.72 = 6,738.04/x
  3. Step 3: Cross multiply
    18,423.08x = 27,642.72 × 6,738.04
  4. Step 4: Simplify right side
    18,423.08x = 186,257,753.07
  5. Step 5: Solve for x
    x = 186,257,753.07/18,423.08
  6. Step 6: Final answer
    x = 10,110.02

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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.