Home / 36,712.62-55,090.80-13,340.88

Finding the Fourth Proportional to 36,712.62, 55,090.80 and 13,340.88

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Solution

The fourth proportional to 36,712.62, 55,090.80 and 13,340.88 is: 20,019.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,712.62 : 55,090.80 = 13,340.88 : x
  2. Step 2: Convert to fraction form
    36,712.62/55,090.80 = 13,340.88/x
  3. Step 3: Cross multiply
    36,712.62x = 55,090.80 × 13,340.88
  4. Step 4: Simplify right side
    36,712.62x = 734,959,751.90
  5. Step 5: Solve for x
    x = 734,959,751.90/36,712.62
  6. Step 6: Final answer
    x = 20,019.27

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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.