Home / 26,767.40-40,109.40-10,118.35

Finding the Fourth Proportional to 26,767.40, 40,109.40 and 10,118.35

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Solution

The fourth proportional to 26,767.40, 40,109.40 and 10,118.35 is: 15,161.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,767.40 : 40,109.40 = 10,118.35 : x
  2. Step 2: Convert to fraction form
    26,767.40/40,109.40 = 10,118.35/x
  3. Step 3: Cross multiply
    26,767.40x = 40,109.40 × 10,118.35
  4. Step 4: Simplify right side
    26,767.40x = 405,840,947.49
  5. Step 5: Solve for x
    x = 405,840,947.49/26,767.40
  6. Step 6: Final answer
    x = 15,161.76

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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.