Home / 26,938.68-40,401.53-11,937.54

Finding the Fourth Proportional to 26,938.68, 40,401.53 and 11,937.54

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Solution

The fourth proportional to 26,938.68, 40,401.53 and 11,937.54 is: 17,903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,938.68 : 40,401.53 = 11,937.54 : x
  2. Step 2: Convert to fraction form
    26,938.68/40,401.53 = 11,937.54/x
  3. Step 3: Cross multiply
    26,938.68x = 40,401.53 × 11,937.54
  4. Step 4: Simplify right side
    26,938.68x = 482,294,820.75
  5. Step 5: Solve for x
    x = 482,294,820.75/26,938.68
  6. Step 6: Final answer
    x = 17,903.43

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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.