Home / 26,201.78-36,174.40-16,143.81

Finding the Fourth Proportional to 26,201.78, 36,174.40 and 16,143.81

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Solution

The fourth proportional to 26,201.78, 36,174.40 and 16,143.81 is: 22,288.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,201.78 : 36,174.40 = 16,143.81 : x
  2. Step 2: Convert to fraction form
    26,201.78/36,174.40 = 16,143.81/x
  3. Step 3: Cross multiply
    26,201.78x = 36,174.40 × 16,143.81
  4. Step 4: Simplify right side
    26,201.78x = 583,992,464.45
  5. Step 5: Solve for x
    x = 583,992,464.45/26,201.78
  6. Step 6: Final answer
    x = 22,288.28

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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.