Home / 22,721.24-31,370.55-20,323.73

Finding the Fourth Proportional to 22,721.24, 31,370.55 and 20,323.73

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Solution

The fourth proportional to 22,721.24, 31,370.55 and 20,323.73 is: 28,060.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,721.24 : 31,370.55 = 20,323.73 : x
  2. Step 2: Convert to fraction form
    22,721.24/31,370.55 = 20,323.73/x
  3. Step 3: Cross multiply
    22,721.24x = 31,370.55 × 20,323.73
  4. Step 4: Simplify right side
    22,721.24x = 637,566,588.15
  5. Step 5: Solve for x
    x = 637,566,588.15/22,721.24
  6. Step 6: Final answer
    x = 28,060.38

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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.