Home / 14,086.29-19,438.44-8,118.84

Finding the Fourth Proportional to 14,086.29, 19,438.44 and 8,118.84

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Solution

The fourth proportional to 14,086.29, 19,438.44 and 8,118.84 is: 11,203.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.29 : 19,438.44 = 8,118.84 : x
  2. Step 2: Convert to fraction form
    14,086.29/19,438.44 = 8,118.84/x
  3. Step 3: Cross multiply
    14,086.29x = 19,438.44 × 8,118.84
  4. Step 4: Simplify right side
    14,086.29x = 157,817,584.21
  5. Step 5: Solve for x
    x = 157,817,584.21/14,086.29
  6. Step 6: Final answer
    x = 11,203.63

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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.