Home / 26,160.66-36,118.44-20,099.16

Finding the Fourth Proportional to 26,160.66, 36,118.44 and 20,099.16

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Solution

The fourth proportional to 26,160.66, 36,118.44 and 20,099.16 is: 27,749.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,160.66 : 36,118.44 = 20,099.16 : x
  2. Step 2: Convert to fraction form
    26,160.66/36,118.44 = 20,099.16/x
  3. Step 3: Cross multiply
    26,160.66x = 36,118.44 × 20,099.16
  4. Step 4: Simplify right side
    26,160.66x = 725,950,304.51
  5. Step 5: Solve for x
    x = 725,950,304.51/26,160.66
  6. Step 6: Final answer
    x = 27,749.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.