Home / 14,299.20-19,732.56-8,011.44

Finding the Fourth Proportional to 14,299.20, 19,732.56 and 8,011.44

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Solution

The fourth proportional to 14,299.20, 19,732.56 and 8,011.44 is: 11,055.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,299.20 : 19,732.56 = 8,011.44 : x
  2. Step 2: Convert to fraction form
    14,299.20/19,732.56 = 8,011.44/x
  3. Step 3: Cross multiply
    14,299.20x = 19,732.56 × 8,011.44
  4. Step 4: Simplify right side
    14,299.20x = 158,086,220.49
  5. Step 5: Solve for x
    x = 158,086,220.49/14,299.20
  6. Step 6: Final answer
    x = 11,055.60

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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.