Home / 26,782.20-36,963-16,720.92

Finding the Fourth Proportional to 26,782.20, 36,963 and 16,720.92

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Solution

The fourth proportional to 26,782.20, 36,963 and 16,720.92 is: 23,077.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,782.20 : 36,963 = 16,720.92 : x
  2. Step 2: Convert to fraction form
    26,782.20/36,963 = 16,720.92/x
  3. Step 3: Cross multiply
    26,782.20x = 36,963 × 16,720.92
  4. Step 4: Simplify right side
    26,782.20x = 618,055,365.96
  5. Step 5: Solve for x
    x = 618,055,365.96/26,782.20
  6. Step 6: Final answer
    x = 23,077.09

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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.