Home / 26,269.80-36,212.10-18,693.48

Finding the Fourth Proportional to 26,269.80, 36,212.10 and 18,693.48

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Solution

The fourth proportional to 26,269.80, 36,212.10 and 18,693.48 is: 25,768.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,269.80 : 36,212.10 = 18,693.48 : x
  2. Step 2: Convert to fraction form
    26,269.80/36,212.10 = 18,693.48/x
  3. Step 3: Cross multiply
    26,269.80x = 36,212.10 × 18,693.48
  4. Step 4: Simplify right side
    26,269.80x = 676,930,167.11
  5. Step 5: Solve for x
    x = 676,930,167.11/26,269.80
  6. Step 6: Final answer
    x = 25,768.38

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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.