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Finding the Fourth Proportional to 15,194.52, 20,967.93 and 8,295.42

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Solution

The fourth proportional to 15,194.52, 20,967.93 and 8,295.42 is: 11,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,194.52 : 20,967.93 = 8,295.42 : x
  2. Step 2: Convert to fraction form
    15,194.52/20,967.93 = 8,295.42/x
  3. Step 3: Cross multiply
    15,194.52x = 20,967.93 × 8,295.42
  4. Step 4: Simplify right side
    15,194.52x = 173,937,785.88
  5. Step 5: Solve for x
    x = 173,937,785.88/15,194.52
  6. Step 6: Final answer
    x = 11,447.40

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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.