Home / 19,183.23-26,472.92-11,118.45

Finding the Fourth Proportional to 19,183.23, 26,472.92 and 11,118.45

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Solution

The fourth proportional to 19,183.23, 26,472.92 and 11,118.45 is: 15,343.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183.23 : 26,472.92 = 11,118.45 : x
  2. Step 2: Convert to fraction form
    19,183.23/26,472.92 = 11,118.45/x
  3. Step 3: Cross multiply
    19,183.23x = 26,472.92 × 11,118.45
  4. Step 4: Simplify right side
    19,183.23x = 294,337,781.78
  5. Step 5: Solve for x
    x = 294,337,781.78/19,183.23
  6. Step 6: Final answer
    x = 15,343.49

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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.