Home / 27,964.74-38,574.43-17,889.66

Finding the Fourth Proportional to 27,964.74, 38,574.43 and 17,889.66

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Solution

The fourth proportional to 27,964.74, 38,574.43 and 17,889.66 is: 24,676.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,964.74 : 38,574.43 = 17,889.66 : x
  2. Step 2: Convert to fraction form
    27,964.74/38,574.43 = 17,889.66/x
  3. Step 3: Cross multiply
    27,964.74x = 38,574.43 × 17,889.66
  4. Step 4: Simplify right side
    27,964.74x = 690,083,392.67
  5. Step 5: Solve for x
    x = 690,083,392.67/27,964.74
  6. Step 6: Final answer
    x = 24,676.91

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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.