Home / 14,602.75-20,155.44-8,318.77

Finding the Fourth Proportional to 14,602.75, 20,155.44 and 8,318.77

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Solution

The fourth proportional to 14,602.75, 20,155.44 and 8,318.77 is: 11,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,602.75 : 20,155.44 = 8,318.77 : x
  2. Step 2: Convert to fraction form
    14,602.75/20,155.44 = 8,318.77/x
  3. Step 3: Cross multiply
    14,602.75x = 20,155.44 × 8,318.77
  4. Step 4: Simplify right side
    14,602.75x = 167,668,469.61
  5. Step 5: Solve for x
    x = 167,668,469.61/14,602.75
  6. Step 6: Final answer
    x = 11,481.98

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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.