Home / 36,947.56-55,419.66-13,572.28

Finding the Fourth Proportional to 36,947.56, 55,419.66 and 13,572.28

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Solution

The fourth proportional to 36,947.56, 55,419.66 and 13,572.28 is: 20,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,947.56 : 55,419.66 = 13,572.28 : x
  2. Step 2: Convert to fraction form
    36,947.56/55,419.66 = 13,572.28/x
  3. Step 3: Cross multiply
    36,947.56x = 55,419.66 × 13,572.28
  4. Step 4: Simplify right side
    36,947.56x = 752,171,143.02
  5. Step 5: Solve for x
    x = 752,171,143.02/36,947.56
  6. Step 6: Final answer
    x = 20,357.80

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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.