Home / 14,141.09-21,179.33-6,750.75

Finding the Fourth Proportional to 14,141.09, 21,179.33 and 6,750.75

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Solution

The fourth proportional to 14,141.09, 21,179.33 and 6,750.75 is: 10,110.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.09 : 21,179.33 = 6,750.75 : x
  2. Step 2: Convert to fraction form
    14,141.09/21,179.33 = 6,750.75/x
  3. Step 3: Cross multiply
    14,141.09x = 21,179.33 × 6,750.75
  4. Step 4: Simplify right side
    14,141.09x = 142,976,362.00
  5. Step 5: Solve for x
    x = 142,976,362.00/14,141.09
  6. Step 6: Final answer
    x = 10,110.70

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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.