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Finding the Fourth Proportional to 14,703.12, 22,057.92 and 8,138.88

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Solution

The fourth proportional to 14,703.12, 22,057.92 and 8,138.88 is: 12,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703.12 : 22,057.92 = 8,138.88 : x
  2. Step 2: Convert to fraction form
    14,703.12/22,057.92 = 8,138.88/x
  3. Step 3: Cross multiply
    14,703.12x = 22,057.92 × 8,138.88
  4. Step 4: Simplify right side
    14,703.12x = 179,526,763.93
  5. Step 5: Solve for x
    x = 179,526,763.93/14,703.12
  6. Step 6: Final answer
    x = 12,210.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.