Home / 26,394.84-39,588.42-9,975

Finding the Fourth Proportional to 26,394.84, 39,588.42 and 9,975

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Solution

The fourth proportional to 26,394.84, 39,588.42 and 9,975 is: 14,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,394.84 : 39,588.42 = 9,975 : x
  2. Step 2: Convert to fraction form
    26,394.84/39,588.42 = 9,975/x
  3. Step 3: Cross multiply
    26,394.84x = 39,588.42 × 9,975
  4. Step 4: Simplify right side
    26,394.84x = 394,894,489.50
  5. Step 5: Solve for x
    x = 394,894,489.50/26,394.84
  6. Step 6: Final answer
    x = 14,961.05

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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.