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Finding the Fourth Proportional to 14,034.65, 19,367.32 and 8,366.47

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Solution

The fourth proportional to 14,034.65, 19,367.32 and 8,366.47 is: 11,545.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,034.65 : 19,367.32 = 8,366.47 : x
  2. Step 2: Convert to fraction form
    14,034.65/19,367.32 = 8,366.47/x
  3. Step 3: Cross multiply
    14,034.65x = 19,367.32 × 8,366.47
  4. Step 4: Simplify right side
    14,034.65x = 162,036,101.76
  5. Step 5: Solve for x
    x = 162,036,101.76/14,034.65
  6. Step 6: Final answer
    x = 11,545.44

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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.