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Finding the Fourth Proportional to 14,809.86, 20,437.25 and 8,095.52

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Solution

The fourth proportional to 14,809.86, 20,437.25 and 8,095.52 is: 11,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,809.86 : 20,437.25 = 8,095.52 : x
  2. Step 2: Convert to fraction form
    14,809.86/20,437.25 = 8,095.52/x
  3. Step 3: Cross multiply
    14,809.86x = 20,437.25 × 8,095.52
  4. Step 4: Simplify right side
    14,809.86x = 165,450,023.46
  5. Step 5: Solve for x
    x = 165,450,023.46/14,809.86
  6. Step 6: Final answer
    x = 11,171.61

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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.