Home / 18,039.10-27,061.34-5,558.08

Finding the Fourth Proportional to 18,039.10, 27,061.34 and 5,558.08

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Solution

The fourth proportional to 18,039.10, 27,061.34 and 5,558.08 is: 8,337.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039.10 : 27,061.34 = 5,558.08 : x
  2. Step 2: Convert to fraction form
    18,039.10/27,061.34 = 5,558.08/x
  3. Step 3: Cross multiply
    18,039.10x = 27,061.34 × 5,558.08
  4. Step 4: Simplify right side
    18,039.10x = 150,408,929.53
  5. Step 5: Solve for x
    x = 150,408,929.53/18,039.10
  6. Step 6: Final answer
    x = 8,337.94

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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.