Home / 13,194.53-18,208.49-7,226.45

Finding the Fourth Proportional to 13,194.53, 18,208.49 and 7,226.45

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Solution

The fourth proportional to 13,194.53, 18,208.49 and 7,226.45 is: 9,972.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.53 : 18,208.49 = 7,226.45 : x
  2. Step 2: Convert to fraction form
    13,194.53/18,208.49 = 7,226.45/x
  3. Step 3: Cross multiply
    13,194.53x = 18,208.49 × 7,226.45
  4. Step 4: Simplify right side
    13,194.53x = 131,582,615.39
  5. Step 5: Solve for x
    x = 131,582,615.39/13,194.53
  6. Step 6: Final answer
    x = 9,972.52

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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.