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Finding the Fourth Proportional to 19,251.68, 26,566.56 and 10,868

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Solution

The fourth proportional to 19,251.68, 26,566.56 and 10,868 is: 14,997.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.68 : 26,566.56 = 10,868 : x
  2. Step 2: Convert to fraction form
    19,251.68/26,566.56 = 10,868/x
  3. Step 3: Cross multiply
    19,251.68x = 26,566.56 × 10,868
  4. Step 4: Simplify right side
    19,251.68x = 288,725,374.08
  5. Step 5: Solve for x
    x = 288,725,374.08/19,251.68
  6. Step 6: Final answer
    x = 14,997.41

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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.