Home / 17,947.34-24,766.26-9,987.92

Finding the Fourth Proportional to 17,947.34, 24,766.26 and 9,987.92

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Solution

The fourth proportional to 17,947.34, 24,766.26 and 9,987.92 is: 13,782.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,947.34 : 24,766.26 = 9,987.92 : x
  2. Step 2: Convert to fraction form
    17,947.34/24,766.26 = 9,987.92/x
  3. Step 3: Cross multiply
    17,947.34x = 24,766.26 × 9,987.92
  4. Step 4: Simplify right side
    17,947.34x = 247,363,423.58
  5. Step 5: Solve for x
    x = 247,363,423.58/17,947.34
  6. Step 6: Final answer
    x = 13,782.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.