Home / 26,539.97-39,808.64-9,898.71

Finding the Fourth Proportional to 26,539.97, 39,808.64 and 9,898.71

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Solution

The fourth proportional to 26,539.97, 39,808.64 and 9,898.71 is: 14,847.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,539.97 : 39,808.64 = 9,898.71 : x
  2. Step 2: Convert to fraction form
    26,539.97/39,808.64 = 9,898.71/x
  3. Step 3: Cross multiply
    26,539.97x = 39,808.64 × 9,898.71
  4. Step 4: Simplify right side
    26,539.97x = 394,054,072.24
  5. Step 5: Solve for x
    x = 394,054,072.24/26,539.97
  6. Step 6: Final answer
    x = 14,847.57

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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.