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Finding the Fourth Proportional to 14,868.18, 20,519.01 and 8,244.18

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Solution

The fourth proportional to 14,868.18, 20,519.01 and 8,244.18 is: 11,377.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,868.18 : 20,519.01 = 8,244.18 : x
  2. Step 2: Convert to fraction form
    14,868.18/20,519.01 = 8,244.18/x
  3. Step 3: Cross multiply
    14,868.18x = 20,519.01 × 8,244.18
  4. Step 4: Simplify right side
    14,868.18x = 169,162,411.86
  5. Step 5: Solve for x
    x = 169,162,411.86/14,868.18
  6. Step 6: Final answer
    x = 11,377.48

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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.