Home / 18,424.08-27,618.71-7,337.61

Finding the Fourth Proportional to 18,424.08, 27,618.71 and 7,337.61

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Solution

The fourth proportional to 18,424.08, 27,618.71 and 7,337.61 is: 10,999.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.08 : 27,618.71 = 7,337.61 : x
  2. Step 2: Convert to fraction form
    18,424.08/27,618.71 = 7,337.61/x
  3. Step 3: Cross multiply
    18,424.08x = 27,618.71 × 7,337.61
  4. Step 4: Simplify right side
    18,424.08x = 202,655,286.00
  5. Step 5: Solve for x
    x = 202,655,286.00/18,424.08
  6. Step 6: Final answer
    x = 10,999.48

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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.