Home / 14,003.15-19,317.89-8,964.95

Finding the Fourth Proportional to 14,003.15, 19,317.89 and 8,964.95

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Solution

The fourth proportional to 14,003.15, 19,317.89 and 8,964.95 is: 12,367.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.15 : 19,317.89 = 8,964.95 : x
  2. Step 2: Convert to fraction form
    14,003.15/19,317.89 = 8,964.95/x
  3. Step 3: Cross multiply
    14,003.15x = 19,317.89 × 8,964.95
  4. Step 4: Simplify right side
    14,003.15x = 173,183,843.78
  5. Step 5: Solve for x
    x = 173,183,843.78/14,003.15
  6. Step 6: Final answer
    x = 12,367.50

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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.