Home / 18,997.43-26,216.33-10,500.14

Finding the Fourth Proportional to 18,997.43, 26,216.33 and 10,500.14

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Solution

The fourth proportional to 18,997.43, 26,216.33 and 10,500.14 is: 14,490.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,997.43 : 26,216.33 = 10,500.14 : x
  2. Step 2: Convert to fraction form
    18,997.43/26,216.33 = 10,500.14/x
  3. Step 3: Cross multiply
    18,997.43x = 26,216.33 × 10,500.14
  4. Step 4: Simplify right side
    18,997.43x = 275,274,951.70
  5. Step 5: Solve for x
    x = 275,274,951.70/18,997.43
  6. Step 6: Final answer
    x = 14,490.12

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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.