Home / 18,864.20-26,041.83-11,792.90

Finding the Fourth Proportional to 18,864.20, 26,041.83 and 11,792.90

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Solution

The fourth proportional to 18,864.20, 26,041.83 and 11,792.90 is: 16,279.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.20 : 26,041.83 = 11,792.90 : x
  2. Step 2: Convert to fraction form
    18,864.20/26,041.83 = 11,792.90/x
  3. Step 3: Cross multiply
    18,864.20x = 26,041.83 × 11,792.90
  4. Step 4: Simplify right side
    18,864.20x = 307,108,697.01
  5. Step 5: Solve for x
    x = 307,108,697.01/18,864.20
  6. Step 6: Final answer
    x = 16,279.97

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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.