Home / 13,943.54-19,251.09-8,644.02

Finding the Fourth Proportional to 13,943.54, 19,251.09 and 8,644.02

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Solution

The fourth proportional to 13,943.54, 19,251.09 and 8,644.02 is: 11,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.54 : 19,251.09 = 8,644.02 : x
  2. Step 2: Convert to fraction form
    13,943.54/19,251.09 = 8,644.02/x
  3. Step 3: Cross multiply
    13,943.54x = 19,251.09 × 8,644.02
  4. Step 4: Simplify right side
    13,943.54x = 166,406,806.98
  5. Step 5: Solve for x
    x = 166,406,806.98/13,943.54
  6. Step 6: Final answer
    x = 11,934.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.