Home / 16,396.47-22,787.59-16,221.51

Finding the Fourth Proportional to 16,396.47, 22,787.59 and 16,221.51

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Solution

The fourth proportional to 16,396.47, 22,787.59 and 16,221.51 is: 22,544.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,396.47 : 22,787.59 = 16,221.51 : x
  2. Step 2: Convert to fraction form
    16,396.47/22,787.59 = 16,221.51/x
  3. Step 3: Cross multiply
    16,396.47x = 22,787.59 × 16,221.51
  4. Step 4: Simplify right side
    16,396.47x = 369,649,119.06
  5. Step 5: Solve for x
    x = 369,649,119.06/16,396.47
  6. Step 6: Final answer
    x = 22,544.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.