Home / 14,331.38-19,777.22-8,043.78

Finding the Fourth Proportional to 14,331.38, 19,777.22 and 8,043.78

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Solution

The fourth proportional to 14,331.38, 19,777.22 and 8,043.78 is: 11,100.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.38 : 19,777.22 = 8,043.78 : x
  2. Step 2: Convert to fraction form
    14,331.38/19,777.22 = 8,043.78/x
  3. Step 3: Cross multiply
    14,331.38x = 19,777.22 × 8,043.78
  4. Step 4: Simplify right side
    14,331.38x = 159,083,606.69
  5. Step 5: Solve for x
    x = 159,083,606.69/14,331.38
  6. Step 6: Final answer
    x = 11,100.37

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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.