Home / 13,194.66-18,209.07-7,226.67

Finding the Fourth Proportional to 13,194.66, 18,209.07 and 7,226.67

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Solution

The fourth proportional to 13,194.66, 18,209.07 and 7,226.67 is: 9,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.66 : 18,209.07 = 7,226.67 : x
  2. Step 2: Convert to fraction form
    13,194.66/18,209.07 = 7,226.67/x
  3. Step 3: Cross multiply
    13,194.66x = 18,209.07 × 7,226.67
  4. Step 4: Simplify right side
    13,194.66x = 131,590,939.90
  5. Step 5: Solve for x
    x = 131,590,939.90/13,194.66
  6. Step 6: Final answer
    x = 9,973.05

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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.