Home / 18,149.40-27,217.14-7,054.62

Finding the Fourth Proportional to 18,149.40, 27,217.14 and 7,054.62

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Solution

The fourth proportional to 18,149.40, 27,217.14 and 7,054.62 is: 10,579.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.40 : 27,217.14 = 7,054.62 : x
  2. Step 2: Convert to fraction form
    18,149.40/27,217.14 = 7,054.62/x
  3. Step 3: Cross multiply
    18,149.40x = 27,217.14 × 7,054.62
  4. Step 4: Simplify right side
    18,149.40x = 192,006,580.19
  5. Step 5: Solve for x
    x = 192,006,580.19/18,149.40
  6. Step 6: Final answer
    x = 10,579.22

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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.