Home / 14,077.31-19,425.11-8,108.87

Finding the Fourth Proportional to 14,077.31, 19,425.11 and 8,108.87

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Solution

The fourth proportional to 14,077.31, 19,425.11 and 8,108.87 is: 11,189.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.31 : 19,425.11 = 8,108.87 : x
  2. Step 2: Convert to fraction form
    14,077.31/19,425.11 = 8,108.87/x
  3. Step 3: Cross multiply
    14,077.31x = 19,425.11 × 8,108.87
  4. Step 4: Simplify right side
    14,077.31x = 157,515,554.06
  5. Step 5: Solve for x
    x = 157,515,554.06/14,077.31
  6. Step 6: Final answer
    x = 11,189.33

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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.