Home / 13,326.96-19,984.20-3,963.52

Finding the Fourth Proportional to 13,326.96, 19,984.20 and 3,963.52

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Solution

The fourth proportional to 13,326.96, 19,984.20 and 3,963.52 is: 5,943.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.96 : 19,984.20 = 3,963.52 : x
  2. Step 2: Convert to fraction form
    13,326.96/19,984.20 = 3,963.52/x
  3. Step 3: Cross multiply
    13,326.96x = 19,984.20 × 3,963.52
  4. Step 4: Simplify right side
    13,326.96x = 79,207,776.38
  5. Step 5: Solve for x
    x = 79,207,776.38/13,326.96
  6. Step 6: Final answer
    x = 5,943.42

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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.