Home / 18,148.44-27,220.18-4,998.92

Finding the Fourth Proportional to 18,148.44, 27,220.18 and 4,998.92

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Solution

The fourth proportional to 18,148.44, 27,220.18 and 4,998.92 is: 7,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.44 : 27,220.18 = 4,998.92 : x
  2. Step 2: Convert to fraction form
    18,148.44/27,220.18 = 4,998.92/x
  3. Step 3: Cross multiply
    18,148.44x = 27,220.18 × 4,998.92
  4. Step 4: Simplify right side
    18,148.44x = 136,071,502.21
  5. Step 5: Solve for x
    x = 136,071,502.21/18,148.44
  6. Step 6: Final answer
    x = 7,497.70

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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.