Home / 18,115.08-27,176.88-5,634.48

Finding the Fourth Proportional to 18,115.08, 27,176.88 and 5,634.48

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Solution

The fourth proportional to 18,115.08, 27,176.88 and 5,634.48 is: 8,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,115.08 : 27,176.88 = 5,634.48 : x
  2. Step 2: Convert to fraction form
    18,115.08/27,176.88 = 5,634.48/x
  3. Step 3: Cross multiply
    18,115.08x = 27,176.88 × 5,634.48
  4. Step 4: Simplify right side
    18,115.08x = 153,127,586.82
  5. Step 5: Solve for x
    x = 153,127,586.82/18,115.08
  6. Step 6: Final answer
    x = 8,453.05

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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.