Home / 19,433.12-29,149.76-5,394.26

Finding the Fourth Proportional to 19,433.12, 29,149.76 and 5,394.26

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Solution

The fourth proportional to 19,433.12, 29,149.76 and 5,394.26 is: 8,091.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,433.12 : 29,149.76 = 5,394.26 : x
  2. Step 2: Convert to fraction form
    19,433.12/29,149.76 = 5,394.26/x
  3. Step 3: Cross multiply
    19,433.12x = 29,149.76 × 5,394.26
  4. Step 4: Simplify right side
    19,433.12x = 157,241,470.74
  5. Step 5: Solve for x
    x = 157,241,470.74/19,433.12
  6. Step 6: Final answer
    x = 8,091.42

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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.