Home / 13,194.16-18,208.38-7,226.17

Finding the Fourth Proportional to 13,194.16, 18,208.38 and 7,226.17

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Solution

The fourth proportional to 13,194.16, 18,208.38 and 7,226.17 is: 9,972.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.16 : 18,208.38 = 7,226.17 : x
  2. Step 2: Convert to fraction form
    13,194.16/18,208.38 = 7,226.17/x
  3. Step 3: Cross multiply
    13,194.16x = 18,208.38 × 7,226.17
  4. Step 4: Simplify right side
    13,194.16x = 131,576,849.30
  5. Step 5: Solve for x
    x = 131,576,849.30/13,194.16
  6. Step 6: Final answer
    x = 9,972.36

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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.