Home / 14,151.41-21,230.40-4,155.75

Finding the Fourth Proportional to 14,151.41, 21,230.40 and 4,155.75

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Solution

The fourth proportional to 14,151.41, 21,230.40 and 4,155.75 is: 6,234.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.41 : 21,230.40 = 4,155.75 : x
  2. Step 2: Convert to fraction form
    14,151.41/21,230.40 = 4,155.75/x
  3. Step 3: Cross multiply
    14,151.41x = 21,230.40 × 4,155.75
  4. Step 4: Simplify right side
    14,151.41x = 88,228,234.80
  5. Step 5: Solve for x
    x = 88,228,234.80/14,151.41
  6. Step 6: Final answer
    x = 6,234.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.