Home / 27,229.76-37,574.24-18,275.44

Finding the Fourth Proportional to 27,229.76, 37,574.24 and 18,275.44

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Solution

The fourth proportional to 27,229.76, 37,574.24 and 18,275.44 is: 25,218.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,229.76 : 37,574.24 = 18,275.44 : x
  2. Step 2: Convert to fraction form
    27,229.76/37,574.24 = 18,275.44/x
  3. Step 3: Cross multiply
    27,229.76x = 37,574.24 × 18,275.44
  4. Step 4: Simplify right side
    27,229.76x = 686,685,768.67
  5. Step 5: Solve for x
    x = 686,685,768.67/27,229.76
  6. Step 6: Final answer
    x = 25,218.21

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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.