Home / 14,118.50-19,482.83-8,149.82

Finding the Fourth Proportional to 14,118.50, 19,482.83 and 8,149.82

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Solution

The fourth proportional to 14,118.50, 19,482.83 and 8,149.82 is: 11,246.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.50 : 19,482.83 = 8,149.82 : x
  2. Step 2: Convert to fraction form
    14,118.50/19,482.83 = 8,149.82/x
  3. Step 3: Cross multiply
    14,118.50x = 19,482.83 × 8,149.82
  4. Step 4: Simplify right side
    14,118.50x = 158,781,449.99
  5. Step 5: Solve for x
    x = 158,781,449.99/14,118.50
  6. Step 6: Final answer
    x = 11,246.34

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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.