Home / 13,655.14-20,482.71-3,794.43

Finding the Fourth Proportional to 13,655.14, 20,482.71 and 3,794.43

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Solution

The fourth proportional to 13,655.14, 20,482.71 and 3,794.43 is: 5,691.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.14 : 20,482.71 = 3,794.43 : x
  2. Step 2: Convert to fraction form
    13,655.14/20,482.71 = 3,794.43/x
  3. Step 3: Cross multiply
    13,655.14x = 20,482.71 × 3,794.43
  4. Step 4: Simplify right side
    13,655.14x = 77,720,209.31
  5. Step 5: Solve for x
    x = 77,720,209.31/13,655.14
  6. Step 6: Final answer
    x = 5,691.65

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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.