Home / 27,182.95-37,512.78-15,083.65

Finding the Fourth Proportional to 27,182.95, 37,512.78 and 15,083.65

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Solution

The fourth proportional to 27,182.95, 37,512.78 and 15,083.65 is: 20,815.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,182.95 : 37,512.78 = 15,083.65 : x
  2. Step 2: Convert to fraction form
    27,182.95/37,512.78 = 15,083.65/x
  3. Step 3: Cross multiply
    27,182.95x = 37,512.78 × 15,083.65
  4. Step 4: Simplify right side
    27,182.95x = 565,829,644.05
  5. Step 5: Solve for x
    x = 565,829,644.05/27,182.95
  6. Step 6: Final answer
    x = 20,815.61

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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.