Home / 13,194.48-18,208.28-7,226.04

Finding the Fourth Proportional to 13,194.48, 18,208.28 and 7,226.04

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Solution

The fourth proportional to 13,194.48, 18,208.28 and 7,226.04 is: 9,971.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.48 : 18,208.28 = 7,226.04 : x
  2. Step 2: Convert to fraction form
    13,194.48/18,208.28 = 7,226.04/x
  3. Step 3: Cross multiply
    13,194.48x = 18,208.28 × 7,226.04
  4. Step 4: Simplify right side
    13,194.48x = 131,573,759.61
  5. Step 5: Solve for x
    x = 131,573,759.61/13,194.48
  6. Step 6: Final answer
    x = 9,971.88

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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.