Home / 16,215.44-22,377.33-9,141.84

Finding the Fourth Proportional to 16,215.44, 22,377.33 and 9,141.84

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Solution

The fourth proportional to 16,215.44, 22,377.33 and 9,141.84 is: 12,615.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,215.44 : 22,377.33 = 9,141.84 : x
  2. Step 2: Convert to fraction form
    16,215.44/22,377.33 = 9,141.84/x
  3. Step 3: Cross multiply
    16,215.44x = 22,377.33 × 9,141.84
  4. Step 4: Simplify right side
    16,215.44x = 204,569,970.49
  5. Step 5: Solve for x
    x = 204,569,970.49/16,215.44
  6. Step 6: Final answer
    x = 12,615.76

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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.