Home / 18,097.10-27,144.34-5,616.80

Finding the Fourth Proportional to 18,097.10, 27,144.34 and 5,616.80

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Solution

The fourth proportional to 18,097.10, 27,144.34 and 5,616.80 is: 8,424.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097.10 : 27,144.34 = 5,616.80 : x
  2. Step 2: Convert to fraction form
    18,097.10/27,144.34 = 5,616.80/x
  3. Step 3: Cross multiply
    18,097.10x = 27,144.34 × 5,616.80
  4. Step 4: Simplify right side
    18,097.10x = 152,464,328.91
  5. Step 5: Solve for x
    x = 152,464,328.91/18,097.10
  6. Step 6: Final answer
    x = 8,424.79

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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.