Home / 13,194.32-18,208.20-7,226.02

Finding the Fourth Proportional to 13,194.32, 18,208.20 and 7,226.02

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Solution

The fourth proportional to 13,194.32, 18,208.20 and 7,226.02 is: 9,971.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.32 : 18,208.20 = 7,226.02 : x
  2. Step 2: Convert to fraction form
    13,194.32/18,208.20 = 7,226.02/x
  3. Step 3: Cross multiply
    13,194.32x = 18,208.20 × 7,226.02
  4. Step 4: Simplify right side
    13,194.32x = 131,572,817.36
  5. Step 5: Solve for x
    x = 131,572,817.36/13,194.32
  6. Step 6: Final answer
    x = 9,971.93

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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.