Home / 26,121.49-39,176.47-7,401.12

Finding the Fourth Proportional to 26,121.49, 39,176.47 and 7,401.12

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Solution

The fourth proportional to 26,121.49, 39,176.47 and 7,401.12 is: 11,100.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,121.49 : 39,176.47 = 7,401.12 : x
  2. Step 2: Convert to fraction form
    26,121.49/39,176.47 = 7,401.12/x
  3. Step 3: Cross multiply
    26,121.49x = 39,176.47 × 7,401.12
  4. Step 4: Simplify right side
    26,121.49x = 289,949,612.56
  5. Step 5: Solve for x
    x = 289,949,612.56/26,121.49
  6. Step 6: Final answer
    x = 11,100.04

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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.