Home / 13,194.54-18,209.04-7,226.64

Finding the Fourth Proportional to 13,194.54, 18,209.04 and 7,226.64

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Solution

The fourth proportional to 13,194.54, 18,209.04 and 7,226.64 is: 9,973.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.54 : 18,209.04 = 7,226.64 : x
  2. Step 2: Convert to fraction form
    13,194.54/18,209.04 = 7,226.64/x
  3. Step 3: Cross multiply
    13,194.54x = 18,209.04 × 7,226.64
  4. Step 4: Simplify right side
    13,194.54x = 131,590,176.83
  5. Step 5: Solve for x
    x = 131,590,176.83/13,194.54
  6. Step 6: Final answer
    x = 9,973.08

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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.