Home / 14,147.28-19,524.97-8,099.77

Finding the Fourth Proportional to 14,147.28, 19,524.97 and 8,099.77

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Solution

The fourth proportional to 14,147.28, 19,524.97 and 8,099.77 is: 11,178.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.28 : 19,524.97 = 8,099.77 : x
  2. Step 2: Convert to fraction form
    14,147.28/19,524.97 = 8,099.77/x
  3. Step 3: Cross multiply
    14,147.28x = 19,524.97 × 8,099.77
  4. Step 4: Simplify right side
    14,147.28x = 158,147,697.20
  5. Step 5: Solve for x
    x = 158,147,697.20/14,147.28
  6. Step 6: Final answer
    x = 11,178.66

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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.