Home / 26,500.95-36,603.77-19,816.31

Finding the Fourth Proportional to 26,500.95, 36,603.77 and 19,816.31

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Solution

The fourth proportional to 26,500.95, 36,603.77 and 19,816.31 is: 27,370.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,500.95 : 36,603.77 = 19,816.31 : x
  2. Step 2: Convert to fraction form
    26,500.95/36,603.77 = 19,816.31/x
  3. Step 3: Cross multiply
    26,500.95x = 36,603.77 × 19,816.31
  4. Step 4: Simplify right side
    26,500.95x = 725,351,645.92
  5. Step 5: Solve for x
    x = 725,351,645.92/26,500.95
  6. Step 6: Final answer
    x = 27,370.78

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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.