Home / 26,193.40-39,293.77-8,418.08

Finding the Fourth Proportional to 26,193.40, 39,293.77 and 8,418.08

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Solution

The fourth proportional to 26,193.40, 39,293.77 and 8,418.08 is: 12,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,193.40 : 39,293.77 = 8,418.08 : x
  2. Step 2: Convert to fraction form
    26,193.40/39,293.77 = 8,418.08/x
  3. Step 3: Cross multiply
    26,193.40x = 39,293.77 × 8,418.08
  4. Step 4: Simplify right side
    26,193.40x = 330,778,099.36
  5. Step 5: Solve for x
    x = 330,778,099.36/26,193.40
  6. Step 6: Final answer
    x = 12,628.30

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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.