Home / 18,997.62-26,216.70-10,614.12

Finding the Fourth Proportional to 18,997.62, 26,216.70 and 10,614.12

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Solution

The fourth proportional to 18,997.62, 26,216.70 and 10,614.12 is: 14,647.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,997.62 : 26,216.70 = 10,614.12 : x
  2. Step 2: Convert to fraction form
    18,997.62/26,216.70 = 10,614.12/x
  3. Step 3: Cross multiply
    18,997.62x = 26,216.70 × 10,614.12
  4. Step 4: Simplify right side
    18,997.62x = 278,267,199.80
  5. Step 5: Solve for x
    x = 278,267,199.80/18,997.62
  6. Step 6: Final answer
    x = 14,647.48

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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.