Home / 20,097.86-27,744.57-13,394.66

Finding the Fourth Proportional to 20,097.86, 27,744.57 and 13,394.66

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Solution

The fourth proportional to 20,097.86, 27,744.57 and 13,394.66 is: 18,490.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097.86 : 27,744.57 = 13,394.66 : x
  2. Step 2: Convert to fraction form
    20,097.86/27,744.57 = 13,394.66/x
  3. Step 3: Cross multiply
    20,097.86x = 27,744.57 × 13,394.66
  4. Step 4: Simplify right side
    20,097.86x = 371,629,082.00
  5. Step 5: Solve for x
    x = 371,629,082.00/20,097.86
  6. Step 6: Final answer
    x = 18,490.98

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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.