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Finding the Fourth Proportional to 14,959.24, 20,642.11 and 8,584.13

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Solution

The fourth proportional to 14,959.24, 20,642.11 and 8,584.13 is: 11,845.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,959.24 : 20,642.11 = 8,584.13 : x
  2. Step 2: Convert to fraction form
    14,959.24/20,642.11 = 8,584.13/x
  3. Step 3: Cross multiply
    14,959.24x = 20,642.11 × 8,584.13
  4. Step 4: Simplify right side
    14,959.24x = 177,194,585.86
  5. Step 5: Solve for x
    x = 177,194,585.86/14,959.24
  6. Step 6: Final answer
    x = 11,845.16

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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.