Home / 36,143.46-54,173.59-13,947.02

Finding the Fourth Proportional to 36,143.46, 54,173.59 and 13,947.02

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Solution

The fourth proportional to 36,143.46, 54,173.59 and 13,947.02 is: 20,904.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,143.46 : 54,173.59 = 13,947.02 : x
  2. Step 2: Convert to fraction form
    36,143.46/54,173.59 = 13,947.02/x
  3. Step 3: Cross multiply
    36,143.46x = 54,173.59 × 13,947.02
  4. Step 4: Simplify right side
    36,143.46x = 755,560,143.20
  5. Step 5: Solve for x
    x = 755,560,143.20/36,143.46
  6. Step 6: Final answer
    x = 20,904.48

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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.