Home / 14,866.24-20,515.62-8,151.76

Finding the Fourth Proportional to 14,866.24, 20,515.62 and 8,151.76

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Solution

The fourth proportional to 14,866.24, 20,515.62 and 8,151.76 is: 11,249.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,866.24 : 20,515.62 = 8,151.76 : x
  2. Step 2: Convert to fraction form
    14,866.24/20,515.62 = 8,151.76/x
  3. Step 3: Cross multiply
    14,866.24x = 20,515.62 × 8,151.76
  4. Step 4: Simplify right side
    14,866.24x = 167,238,410.49
  5. Step 5: Solve for x
    x = 167,238,410.49/14,866.24
  6. Step 6: Final answer
    x = 11,249.54

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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.