Home / 38,107.99-57,164.93-11,451.89

Finding the Fourth Proportional to 38,107.99, 57,164.93 and 11,451.89

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Solution

The fourth proportional to 38,107.99, 57,164.93 and 11,451.89 is: 17,178.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,107.99 : 57,164.93 = 11,451.89 : x
  2. Step 2: Convert to fraction form
    38,107.99/57,164.93 = 11,451.89/x
  3. Step 3: Cross multiply
    38,107.99x = 57,164.93 × 11,451.89
  4. Step 4: Simplify right side
    38,107.99x = 654,646,661.76
  5. Step 5: Solve for x
    x = 654,646,661.76/38,107.99
  6. Step 6: Final answer
    x = 17,178.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.