Home / 14,194.14-21,288.47-5,426.97

Finding the Fourth Proportional to 14,194.14, 21,288.47 and 5,426.97

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Solution

The fourth proportional to 14,194.14, 21,288.47 and 5,426.97 is: 8,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,194.14 : 21,288.47 = 5,426.97 : x
  2. Step 2: Convert to fraction form
    14,194.14/21,288.47 = 5,426.97/x
  3. Step 3: Cross multiply
    14,194.14x = 21,288.47 × 5,426.97
  4. Step 4: Simplify right side
    14,194.14x = 115,531,860.90
  5. Step 5: Solve for x
    x = 115,531,860.90/14,194.14
  6. Step 6: Final answer
    x = 8,139.41

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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.