Home / 13,932.95-20,899.34-3,403.02

Finding the Fourth Proportional to 13,932.95, 20,899.34 and 3,403.02

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Solution

The fourth proportional to 13,932.95, 20,899.34 and 3,403.02 is: 5,104.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.95 : 20,899.34 = 3,403.02 : x
  2. Step 2: Convert to fraction form
    13,932.95/20,899.34 = 3,403.02/x
  3. Step 3: Cross multiply
    13,932.95x = 20,899.34 × 3,403.02
  4. Step 4: Simplify right side
    13,932.95x = 71,120,946.13
  5. Step 5: Solve for x
    x = 71,120,946.13/13,932.95
  6. Step 6: Final answer
    x = 5,104.52

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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.