Home / 14,126.60-21,164.06-6,616.37

Finding the Fourth Proportional to 14,126.60, 21,164.06 and 6,616.37

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Solution

The fourth proportional to 14,126.60, 21,164.06 and 6,616.37 is: 9,912.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.60 : 21,164.06 = 6,616.37 : x
  2. Step 2: Convert to fraction form
    14,126.60/21,164.06 = 6,616.37/x
  3. Step 3: Cross multiply
    14,126.60x = 21,164.06 × 6,616.37
  4. Step 4: Simplify right side
    14,126.60x = 140,029,321.11
  5. Step 5: Solve for x
    x = 140,029,321.11/14,126.60
  6. Step 6: Final answer
    x = 9,912.46

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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.