Home / 36,693.82-55,037.49-13,320.46

Finding the Fourth Proportional to 36,693.82, 55,037.49 and 13,320.46

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Solution

The fourth proportional to 36,693.82, 55,037.49 and 13,320.46 is: 19,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,693.82 : 55,037.49 = 13,320.46 : x
  2. Step 2: Convert to fraction form
    36,693.82/55,037.49 = 13,320.46/x
  3. Step 3: Cross multiply
    36,693.82x = 55,037.49 × 13,320.46
  4. Step 4: Simplify right side
    36,693.82x = 733,124,684.05
  5. Step 5: Solve for x
    x = 733,124,684.05/36,693.82
  6. Step 6: Final answer
    x = 19,979.51

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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.