Home / 36,154.65-54,198.77-12,456.56

Finding the Fourth Proportional to 36,154.65, 54,198.77 and 12,456.56

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Solution

The fourth proportional to 36,154.65, 54,198.77 and 12,456.56 is: 18,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,154.65 : 54,198.77 = 12,456.56 : x
  2. Step 2: Convert to fraction form
    36,154.65/54,198.77 = 12,456.56/x
  3. Step 3: Cross multiply
    36,154.65x = 54,198.77 × 12,456.56
  4. Step 4: Simplify right side
    36,154.65x = 675,130,221.28
  5. Step 5: Solve for x
    x = 675,130,221.28/36,154.65
  6. Step 6: Final answer
    x = 18,673.40

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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.