Home / 15,194.30-20,967.64-8,295.20

Finding the Fourth Proportional to 15,194.30, 20,967.64 and 8,295.20

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Solution

The fourth proportional to 15,194.30, 20,967.64 and 8,295.20 is: 11,447.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,194.30 : 20,967.64 = 8,295.20 : x
  2. Step 2: Convert to fraction form
    15,194.30/20,967.64 = 8,295.20/x
  3. Step 3: Cross multiply
    15,194.30x = 20,967.64 × 8,295.20
  4. Step 4: Simplify right side
    15,194.30x = 173,930,767.33
  5. Step 5: Solve for x
    x = 173,930,767.33/15,194.30
  6. Step 6: Final answer
    x = 11,447.11

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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.