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Finding the Fourth Proportional to 19,114.18, 28,642.02 and 8,014.82

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Solution

The fourth proportional to 19,114.18, 28,642.02 and 8,014.82 is: 12,009.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.18 : 28,642.02 = 8,014.82 : x
  2. Step 2: Convert to fraction form
    19,114.18/28,642.02 = 8,014.82/x
  3. Step 3: Cross multiply
    19,114.18x = 28,642.02 × 8,014.82
  4. Step 4: Simplify right side
    19,114.18x = 229,560,634.74
  5. Step 5: Solve for x
    x = 229,560,634.74/19,114.18
  6. Step 6: Final answer
    x = 12,009.97

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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.