Home / 26,139.37-39,204.43-11,904.59

Finding the Fourth Proportional to 26,139.37, 39,204.43 and 11,904.59

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Solution

The fourth proportional to 26,139.37, 39,204.43 and 11,904.59 is: 17,854.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,139.37 : 39,204.43 = 11,904.59 : x
  2. Step 2: Convert to fraction form
    26,139.37/39,204.43 = 11,904.59/x
  3. Step 3: Cross multiply
    26,139.37x = 39,204.43 × 11,904.59
  4. Step 4: Simplify right side
    26,139.37x = 466,712,665.33
  5. Step 5: Solve for x
    x = 466,712,665.33/26,139.37
  6. Step 6: Final answer
    x = 17,854.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.