Home / 26,903.79-40,355.22-12,102.26

Finding the Fourth Proportional to 26,903.79, 40,355.22 and 12,102.26

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Solution

The fourth proportional to 26,903.79, 40,355.22 and 12,102.26 is: 18,153.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,903.79 : 40,355.22 = 12,102.26 : x
  2. Step 2: Convert to fraction form
    26,903.79/40,355.22 = 12,102.26/x
  3. Step 3: Cross multiply
    26,903.79x = 40,355.22 × 12,102.26
  4. Step 4: Simplify right side
    26,903.79x = 488,389,163.02
  5. Step 5: Solve for x
    x = 488,389,163.02/26,903.79
  6. Step 6: Final answer
    x = 18,153.17

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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.