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Finding the Fourth Proportional to 23,775.70, 32,810.44 and 13,166

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Solution

The fourth proportional to 23,775.70, 32,810.44 and 13,166 is: 18,169.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,775.70 : 32,810.44 = 13,166 : x
  2. Step 2: Convert to fraction form
    23,775.70/32,810.44 = 13,166/x
  3. Step 3: Cross multiply
    23,775.70x = 32,810.44 × 13,166
  4. Step 4: Simplify right side
    23,775.70x = 431,982,253.04
  5. Step 5: Solve for x
    x = 431,982,253.04/23,775.70
  6. Step 6: Final answer
    x = 18,169.07

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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.