Home / 22,607.44-31,179.78-15,915.22

Finding the Fourth Proportional to 22,607.44, 31,179.78 and 15,915.22

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Solution

The fourth proportional to 22,607.44, 31,179.78 and 15,915.22 is: 21,949.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,607.44 : 31,179.78 = 15,915.22 : x
  2. Step 2: Convert to fraction form
    22,607.44/31,179.78 = 15,915.22/x
  3. Step 3: Cross multiply
    22,607.44x = 31,179.78 × 15,915.22
  4. Step 4: Simplify right side
    22,607.44x = 496,233,058.25
  5. Step 5: Solve for x
    x = 496,233,058.25/22,607.44
  6. Step 6: Final answer
    x = 21,949.99

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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.