Home / 36,919.56-55,386.64-13,546.20

Finding the Fourth Proportional to 36,919.56, 55,386.64 and 13,546.20

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Solution

The fourth proportional to 36,919.56, 55,386.64 and 13,546.20 is: 20,321.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,919.56 : 55,386.64 = 13,546.20 : x
  2. Step 2: Convert to fraction form
    36,919.56/55,386.64 = 13,546.20/x
  3. Step 3: Cross multiply
    36,919.56x = 55,386.64 × 13,546.20
  4. Step 4: Simplify right side
    36,919.56x = 750,278,502.77
  5. Step 5: Solve for x
    x = 750,278,502.77/36,919.56
  6. Step 6: Final answer
    x = 20,321.98

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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.