Home / 36,913.68-55,374.66-13,540.05

Finding the Fourth Proportional to 36,913.68, 55,374.66 and 13,540.05

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Solution

The fourth proportional to 36,913.68, 55,374.66 and 13,540.05 is: 20,311.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,913.68 : 55,374.66 = 13,540.05 : x
  2. Step 2: Convert to fraction form
    36,913.68/55,374.66 = 13,540.05/x
  3. Step 3: Cross multiply
    36,913.68x = 55,374.66 × 13,540.05
  4. Step 4: Simplify right side
    36,913.68x = 749,775,665.13
  5. Step 5: Solve for x
    x = 749,775,665.13/36,913.68
  6. Step 6: Final answer
    x = 20,311.59

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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.