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Finding the Fourth Proportional to 19,793.34, 27,314.22 and 10,840.65

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Solution

The fourth proportional to 19,793.34, 27,314.22 and 10,840.65 is: 14,959.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,793.34 : 27,314.22 = 10,840.65 : x
  2. Step 2: Convert to fraction form
    19,793.34/27,314.22 = 10,840.65/x
  3. Step 3: Cross multiply
    19,793.34x = 27,314.22 × 10,840.65
  4. Step 4: Simplify right side
    19,793.34x = 296,103,899.04
  5. Step 5: Solve for x
    x = 296,103,899.04/19,793.34
  6. Step 6: Final answer
    x = 14,959.77

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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.