Home / 26,483.18-39,687.86-19,901.68

Finding the Fourth Proportional to 26,483.18, 39,687.86 and 19,901.68

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Solution

The fourth proportional to 26,483.18, 39,687.86 and 19,901.68 is: 29,824.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,483.18 : 39,687.86 = 19,901.68 : x
  2. Step 2: Convert to fraction form
    26,483.18/39,687.86 = 19,901.68/x
  3. Step 3: Cross multiply
    26,483.18x = 39,687.86 × 19,901.68
  4. Step 4: Simplify right side
    26,483.18x = 789,855,089.60
  5. Step 5: Solve for x
    x = 789,855,089.60/26,483.18
  6. Step 6: Final answer
    x = 29,824.78

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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.