Home / 22,521.24-31,078.97-13,573.68

Finding the Fourth Proportional to 22,521.24, 31,078.97 and 13,573.68

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Solution

The fourth proportional to 22,521.24, 31,078.97 and 13,573.68 is: 18,731.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,521.24 : 31,078.97 = 13,573.68 : x
  2. Step 2: Convert to fraction form
    22,521.24/31,078.97 = 13,573.68/x
  3. Step 3: Cross multiply
    22,521.24x = 31,078.97 × 13,573.68
  4. Step 4: Simplify right side
    22,521.24x = 421,856,023.76
  5. Step 5: Solve for x
    x = 421,856,023.76/22,521.24
  6. Step 6: Final answer
    x = 18,731.47

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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.