Home / 26,309.12-39,440.33-9,665.26

Finding the Fourth Proportional to 26,309.12, 39,440.33 and 9,665.26

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Solution

The fourth proportional to 26,309.12, 39,440.33 and 9,665.26 is: 14,489.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,309.12 : 39,440.33 = 9,665.26 : x
  2. Step 2: Convert to fraction form
    26,309.12/39,440.33 = 9,665.26/x
  3. Step 3: Cross multiply
    26,309.12x = 39,440.33 × 9,665.26
  4. Step 4: Simplify right side
    26,309.12x = 381,200,933.25
  5. Step 5: Solve for x
    x = 381,200,933.25/26,309.12
  6. Step 6: Final answer
    x = 14,489.31

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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.