Home / 26,203.61-39,309.33-12,165.08

Finding the Fourth Proportional to 26,203.61, 39,309.33 and 12,165.08

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Solution

The fourth proportional to 26,203.61, 39,309.33 and 12,165.08 is: 18,249.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,203.61 : 39,309.33 = 12,165.08 : x
  2. Step 2: Convert to fraction form
    26,203.61/39,309.33 = 12,165.08/x
  3. Step 3: Cross multiply
    26,203.61x = 39,309.33 × 12,165.08
  4. Step 4: Simplify right side
    26,203.61x = 478,200,947.65
  5. Step 5: Solve for x
    x = 478,200,947.65/26,203.61
  6. Step 6: Final answer
    x = 18,249.43

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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.