Home / 18,191.52-27,266.63-8,204.45

Finding the Fourth Proportional to 18,191.52, 27,266.63 and 8,204.45

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Solution

The fourth proportional to 18,191.52, 27,266.63 and 8,204.45 is: 12,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.52 : 27,266.63 = 8,204.45 : x
  2. Step 2: Convert to fraction form
    18,191.52/27,266.63 = 8,204.45/x
  3. Step 3: Cross multiply
    18,191.52x = 27,266.63 × 8,204.45
  4. Step 4: Simplify right side
    18,191.52x = 223,707,525.15
  5. Step 5: Solve for x
    x = 223,707,525.15/18,191.52
  6. Step 6: Final answer
    x = 12,297.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.