Home / 18,753.18-28,119.24-6,266.63

Finding the Fourth Proportional to 18,753.18, 28,119.24 and 6,266.63

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Solution

The fourth proportional to 18,753.18, 28,119.24 and 6,266.63 is: 9,396.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,753.18 : 28,119.24 = 6,266.63 : x
  2. Step 2: Convert to fraction form
    18,753.18/28,119.24 = 6,266.63/x
  3. Step 3: Cross multiply
    18,753.18x = 28,119.24 × 6,266.63
  4. Step 4: Simplify right side
    18,753.18x = 176,212,732.37
  5. Step 5: Solve for x
    x = 176,212,732.37/18,753.18
  6. Step 6: Final answer
    x = 9,396.42

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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.