Home / 14,970.24-20,658.57-8,255.73

Finding the Fourth Proportional to 14,970.24, 20,658.57 and 8,255.73

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Solution

The fourth proportional to 14,970.24, 20,658.57 and 8,255.73 is: 11,392.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970.24 : 20,658.57 = 8,255.73 : x
  2. Step 2: Convert to fraction form
    14,970.24/20,658.57 = 8,255.73/x
  3. Step 3: Cross multiply
    14,970.24x = 20,658.57 × 8,255.73
  4. Step 4: Simplify right side
    14,970.24x = 170,551,576.11
  5. Step 5: Solve for x
    x = 170,551,576.11/14,970.24
  6. Step 6: Final answer
    x = 11,392.71

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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.