Home / 22,721.51-34,086.18-8,682.80

Finding the Fourth Proportional to 22,721.51, 34,086.18 and 8,682.80

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Solution

The fourth proportional to 22,721.51, 34,086.18 and 8,682.80 is: 13,025.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,721.51 : 34,086.18 = 8,682.80 : x
  2. Step 2: Convert to fraction form
    22,721.51/34,086.18 = 8,682.80/x
  3. Step 3: Cross multiply
    22,721.51x = 34,086.18 × 8,682.80
  4. Step 4: Simplify right side
    22,721.51x = 295,963,345.83
  5. Step 5: Solve for x
    x = 295,963,345.83/22,721.51
  6. Step 6: Final answer
    x = 13,025.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.