Home / 27,149.35-37,462.63-15,209.75

Finding the Fourth Proportional to 27,149.35, 37,462.63 and 15,209.75

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Solution

The fourth proportional to 27,149.35, 37,462.63 and 15,209.75 is: 20,987.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,149.35 : 37,462.63 = 15,209.75 : x
  2. Step 2: Convert to fraction form
    27,149.35/37,462.63 = 15,209.75/x
  3. Step 3: Cross multiply
    27,149.35x = 37,462.63 × 15,209.75
  4. Step 4: Simplify right side
    27,149.35x = 569,797,236.64
  5. Step 5: Solve for x
    x = 569,797,236.64/27,149.35
  6. Step 6: Final answer
    x = 20,987.51

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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.