Home / 14,076.24-19,418.88-8,105.76

Finding the Fourth Proportional to 14,076.24, 19,418.88 and 8,105.76

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Solution

The fourth proportional to 14,076.24, 19,418.88 and 8,105.76 is: 11,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,076.24 : 19,418.88 = 8,105.76 : x
  2. Step 2: Convert to fraction form
    14,076.24/19,418.88 = 8,105.76/x
  3. Step 3: Cross multiply
    14,076.24x = 19,418.88 × 8,105.76
  4. Step 4: Simplify right side
    14,076.24x = 157,404,780.75
  5. Step 5: Solve for x
    x = 157,404,780.75/14,076.24
  6. Step 6: Final answer
    x = 11,182.30

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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.