Home / 36,139.74-54,214.78-11,181.92

Finding the Fourth Proportional to 36,139.74, 54,214.78 and 11,181.92

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Solution

The fourth proportional to 36,139.74, 54,214.78 and 11,181.92 is: 16,774.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,139.74 : 54,214.78 = 11,181.92 : x
  2. Step 2: Convert to fraction form
    36,139.74/54,214.78 = 11,181.92/x
  3. Step 3: Cross multiply
    36,139.74x = 54,214.78 × 11,181.92
  4. Step 4: Simplify right side
    36,139.74x = 606,225,332.78
  5. Step 5: Solve for x
    x = 606,225,332.78/36,139.74
  6. Step 6: Final answer
    x = 16,774.48

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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.