Home / 18,149.48-27,217.19-7,054.71

Finding the Fourth Proportional to 18,149.48, 27,217.19 and 7,054.71

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Solution

The fourth proportional to 18,149.48, 27,217.19 and 7,054.71 is: 10,579.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.48 : 27,217.19 = 7,054.71 : x
  2. Step 2: Convert to fraction form
    18,149.48/27,217.19 = 7,054.71/x
  3. Step 3: Cross multiply
    18,149.48x = 27,217.19 × 7,054.71
  4. Step 4: Simplify right side
    18,149.48x = 192,009,347.19
  5. Step 5: Solve for x
    x = 192,009,347.19/18,149.48
  6. Step 6: Final answer
    x = 10,579.33

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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.