Home / 36,885.06-55,327.56-13,513.32

Finding the Fourth Proportional to 36,885.06, 55,327.56 and 13,513.32

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Solution

The fourth proportional to 36,885.06, 55,327.56 and 13,513.32 is: 20,269.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,885.06 : 55,327.56 = 13,513.32 : x
  2. Step 2: Convert to fraction form
    36,885.06/55,327.56 = 13,513.32/x
  3. Step 3: Cross multiply
    36,885.06x = 55,327.56 × 13,513.32
  4. Step 4: Simplify right side
    36,885.06x = 747,659,023.10
  5. Step 5: Solve for x
    x = 747,659,023.10/36,885.06
  6. Step 6: Final answer
    x = 20,269.97

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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.