Home / 14,116.44-21,133.62-12,236.70

Finding the Fourth Proportional to 14,116.44, 21,133.62 and 12,236.70

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Solution

The fourth proportional to 14,116.44, 21,133.62 and 12,236.70 is: 18,319.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.44 : 21,133.62 = 12,236.70 : x
  2. Step 2: Convert to fraction form
    14,116.44/21,133.62 = 12,236.70/x
  3. Step 3: Cross multiply
    14,116.44x = 21,133.62 × 12,236.70
  4. Step 4: Simplify right side
    14,116.44x = 258,605,767.85
  5. Step 5: Solve for x
    x = 258,605,767.85/14,116.44
  6. Step 6: Final answer
    x = 18,319.47

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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.