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Finding the Fourth Proportional to 14,838.73, 20,470.93 and 8,867.41

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Solution

The fourth proportional to 14,838.73, 20,470.93 and 8,867.41 is: 12,233.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,838.73 : 20,470.93 = 8,867.41 : x
  2. Step 2: Convert to fraction form
    14,838.73/20,470.93 = 8,867.41/x
  3. Step 3: Cross multiply
    14,838.73x = 20,470.93 × 8,867.41
  4. Step 4: Simplify right side
    14,838.73x = 181,524,129.39
  5. Step 5: Solve for x
    x = 181,524,129.39/14,838.73
  6. Step 6: Final answer
    x = 12,233.13

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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.