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Finding the Fourth Proportional to 26,167.98, 36,109.20 and 14,835.21

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Solution

The fourth proportional to 26,167.98, 36,109.20 and 14,835.21 is: 20,471.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,167.98 : 36,109.20 = 14,835.21 : x
  2. Step 2: Convert to fraction form
    26,167.98/36,109.20 = 14,835.21/x
  3. Step 3: Cross multiply
    26,167.98x = 36,109.20 × 14,835.21
  4. Step 4: Simplify right side
    26,167.98x = 535,687,564.93
  5. Step 5: Solve for x
    x = 535,687,564.93/26,167.98
  6. Step 6: Final answer
    x = 20,471.11

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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.