Home / 14,146.08-21,186.83-6,755.75

Finding the Fourth Proportional to 14,146.08, 21,186.83 and 6,755.75

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Solution

The fourth proportional to 14,146.08, 21,186.83 and 6,755.75 is: 10,118.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.08 : 21,186.83 = 6,755.75 : x
  2. Step 2: Convert to fraction form
    14,146.08/21,186.83 = 6,755.75/x
  3. Step 3: Cross multiply
    14,146.08x = 21,186.83 × 6,755.75
  4. Step 4: Simplify right side
    14,146.08x = 143,132,787.06
  5. Step 5: Solve for x
    x = 143,132,787.06/14,146.08
  6. Step 6: Final answer
    x = 10,118.19

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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.