Home / 36,775.44-55,160.28-13,407.12

Finding the Fourth Proportional to 36,775.44, 55,160.28 and 13,407.12

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Solution

The fourth proportional to 36,775.44, 55,160.28 and 13,407.12 is: 20,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,775.44 : 55,160.28 = 13,407.12 : x
  2. Step 2: Convert to fraction form
    36,775.44/55,160.28 = 13,407.12/x
  3. Step 3: Cross multiply
    36,775.44x = 55,160.28 × 13,407.12
  4. Step 4: Simplify right side
    36,775.44x = 739,540,493.19
  5. Step 5: Solve for x
    x = 739,540,493.19/36,775.44
  6. Step 6: Final answer
    x = 20,109.63

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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.