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Finding the Fourth Proportional to 19,216.62, 26,488.62 and 14,164.65

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Solution

The fourth proportional to 19,216.62, 26,488.62 and 14,164.65 is: 19,524.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.62 : 26,488.62 = 14,164.65 : x
  2. Step 2: Convert to fraction form
    19,216.62/26,488.62 = 14,164.65/x
  3. Step 3: Cross multiply
    19,216.62x = 26,488.62 × 14,164.65
  4. Step 4: Simplify right side
    19,216.62x = 375,202,031.28
  5. Step 5: Solve for x
    x = 375,202,031.28/19,216.62
  6. Step 6: Final answer
    x = 19,524.87

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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.