Home / 13,332.96-19,993.20-3,969.52

Finding the Fourth Proportional to 13,332.96, 19,993.20 and 3,969.52

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Solution

The fourth proportional to 13,332.96, 19,993.20 and 3,969.52 is: 5,952.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.96 : 19,993.20 = 3,969.52 : x
  2. Step 2: Convert to fraction form
    13,332.96/19,993.20 = 3,969.52/x
  3. Step 3: Cross multiply
    13,332.96x = 19,993.20 × 3,969.52
  4. Step 4: Simplify right side
    13,332.96x = 79,363,407.26
  5. Step 5: Solve for x
    x = 79,363,407.26/13,332.96
  6. Step 6: Final answer
    x = 5,952.42

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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.