Home / 27,780.57-41,675.18-9,308.25

Finding the Fourth Proportional to 27,780.57, 41,675.18 and 9,308.25

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Solution

The fourth proportional to 27,780.57, 41,675.18 and 9,308.25 is: 13,963.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,780.57 : 41,675.18 = 9,308.25 : x
  2. Step 2: Convert to fraction form
    27,780.57/41,675.18 = 9,308.25/x
  3. Step 3: Cross multiply
    27,780.57x = 41,675.18 × 9,308.25
  4. Step 4: Simplify right side
    27,780.57x = 387,922,947.69
  5. Step 5: Solve for x
    x = 387,922,947.69/27,780.57
  6. Step 6: Final answer
    x = 13,963.82

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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.