Home / 38,133.99-57,182.76-11,838.96

Finding the Fourth Proportional to 38,133.99, 57,182.76 and 11,838.96

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Solution

The fourth proportional to 38,133.99, 57,182.76 and 11,838.96 is: 17,752.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,133.99 : 57,182.76 = 11,838.96 : x
  2. Step 2: Convert to fraction form
    38,133.99/57,182.76 = 11,838.96/x
  3. Step 3: Cross multiply
    38,133.99x = 57,182.76 × 11,838.96
  4. Step 4: Simplify right side
    38,133.99x = 676,984,408.33
  5. Step 5: Solve for x
    x = 676,984,408.33/38,133.99
  6. Step 6: Final answer
    x = 17,752.78

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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.