Home / 14,396.09-19,867.82-8,109.68

Finding the Fourth Proportional to 14,396.09, 19,867.82 and 8,109.68

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Solution

The fourth proportional to 14,396.09, 19,867.82 and 8,109.68 is: 11,192.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,396.09 : 19,867.82 = 8,109.68 : x
  2. Step 2: Convert to fraction form
    14,396.09/19,867.82 = 8,109.68/x
  3. Step 3: Cross multiply
    14,396.09x = 19,867.82 × 8,109.68
  4. Step 4: Simplify right side
    14,396.09x = 161,121,522.61
  5. Step 5: Solve for x
    x = 161,121,522.61/14,396.09
  6. Step 6: Final answer
    x = 11,192.04

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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.