Home / 14,622.93-20,177.64-8,247.15

Finding the Fourth Proportional to 14,622.93, 20,177.64 and 8,247.15

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Solution

The fourth proportional to 14,622.93, 20,177.64 and 8,247.15 is: 11,379.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.93 : 20,177.64 = 8,247.15 : x
  2. Step 2: Convert to fraction form
    14,622.93/20,177.64 = 8,247.15/x
  3. Step 3: Cross multiply
    14,622.93x = 20,177.64 × 8,247.15
  4. Step 4: Simplify right side
    14,622.93x = 166,408,023.73
  5. Step 5: Solve for x
    x = 166,408,023.73/14,622.93
  6. Step 6: Final answer
    x = 11,379.94

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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.