Home / 16,163.94-22,317.21-11,915.49

Finding the Fourth Proportional to 16,163.94, 22,317.21 and 11,915.49

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Solution

The fourth proportional to 16,163.94, 22,317.21 and 11,915.49 is: 16,451.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,163.94 : 22,317.21 = 11,915.49 : x
  2. Step 2: Convert to fraction form
    16,163.94/22,317.21 = 11,915.49/x
  3. Step 3: Cross multiply
    16,163.94x = 22,317.21 × 11,915.49
  4. Step 4: Simplify right side
    16,163.94x = 265,920,492.58
  5. Step 5: Solve for x
    x = 265,920,492.58/16,163.94
  6. Step 6: Final answer
    x = 16,451.46

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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.