Home / 27,079.35-37,370.51-15,142.65

Finding the Fourth Proportional to 27,079.35, 37,370.51 and 15,142.65

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Solution

The fourth proportional to 27,079.35, 37,370.51 and 15,142.65 is: 20,897.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,079.35 : 37,370.51 = 15,142.65 : x
  2. Step 2: Convert to fraction form
    27,079.35/37,370.51 = 15,142.65/x
  3. Step 3: Cross multiply
    27,079.35x = 37,370.51 × 15,142.65
  4. Step 4: Simplify right side
    27,079.35x = 565,888,794.67
  5. Step 5: Solve for x
    x = 565,888,794.67/27,079.35
  6. Step 6: Final answer
    x = 20,897.43

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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.