Home / 27,521.14-37,979.38-14,945.88

Finding the Fourth Proportional to 27,521.14, 37,979.38 and 14,945.88

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Solution

The fourth proportional to 27,521.14, 37,979.38 and 14,945.88 is: 20,625.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,521.14 : 37,979.38 = 14,945.88 : x
  2. Step 2: Convert to fraction form
    27,521.14/37,979.38 = 14,945.88/x
  3. Step 3: Cross multiply
    27,521.14x = 37,979.38 × 14,945.88
  4. Step 4: Simplify right side
    27,521.14x = 567,635,255.95
  5. Step 5: Solve for x
    x = 567,635,255.95/27,521.14
  6. Step 6: Final answer
    x = 20,625.43

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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.