Home / 13,892.08-19,166.30-7,919.44

Finding the Fourth Proportional to 13,892.08, 19,166.30 and 7,919.44

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Solution

The fourth proportional to 13,892.08, 19,166.30 and 7,919.44 is: 10,926.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.08 : 19,166.30 = 7,919.44 : x
  2. Step 2: Convert to fraction form
    13,892.08/19,166.30 = 7,919.44/x
  3. Step 3: Cross multiply
    13,892.08x = 19,166.30 × 7,919.44
  4. Step 4: Simplify right side
    13,892.08x = 151,786,362.87
  5. Step 5: Solve for x
    x = 151,786,362.87/13,892.08
  6. Step 6: Final answer
    x = 10,926.11

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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.