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Finding the Fourth Proportional to 14,863.08, 20,510.92 and 8,148.59

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Solution

The fourth proportional to 14,863.08, 20,510.92 and 8,148.59 is: 11,244.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,863.08 : 20,510.92 = 8,148.59 : x
  2. Step 2: Convert to fraction form
    14,863.08/20,510.92 = 8,148.59/x
  3. Step 3: Cross multiply
    14,863.08x = 20,510.92 × 8,148.59
  4. Step 4: Simplify right side
    14,863.08x = 167,134,954.68
  5. Step 5: Solve for x
    x = 167,134,954.68/14,863.08
  6. Step 6: Final answer
    x = 11,244.97

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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.