Home / 26,161.89-36,042.62-18,087.81

Finding the Fourth Proportional to 26,161.89, 36,042.62 and 18,087.81

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Solution

The fourth proportional to 26,161.89, 36,042.62 and 18,087.81 is: 24,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,161.89 : 36,042.62 = 18,087.81 : x
  2. Step 2: Convert to fraction form
    26,161.89/36,042.62 = 18,087.81/x
  3. Step 3: Cross multiply
    26,161.89x = 36,042.62 × 18,087.81
  4. Step 4: Simplify right side
    26,161.89x = 651,931,972.02
  5. Step 5: Solve for x
    x = 651,931,972.02/26,161.89
  6. Step 6: Final answer
    x = 24,919.15

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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.