Home / 27,614.52-38,108.12-15,039.36

Finding the Fourth Proportional to 27,614.52, 38,108.12 and 15,039.36

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Solution

The fourth proportional to 27,614.52, 38,108.12 and 15,039.36 is: 20,754.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,614.52 : 38,108.12 = 15,039.36 : x
  2. Step 2: Convert to fraction form
    27,614.52/38,108.12 = 15,039.36/x
  3. Step 3: Cross multiply
    27,614.52x = 38,108.12 × 15,039.36
  4. Step 4: Simplify right side
    27,614.52x = 573,121,735.60
  5. Step 5: Solve for x
    x = 573,121,735.60/27,614.52
  6. Step 6: Final answer
    x = 20,754.36

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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.