Home / 26,750.61-40,130.91-11,960.10

Finding the Fourth Proportional to 26,750.61, 40,130.91 and 11,960.10

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Solution

The fourth proportional to 26,750.61, 40,130.91 and 11,960.10 is: 17,942.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,750.61 : 40,130.91 = 11,960.10 : x
  2. Step 2: Convert to fraction form
    26,750.61/40,130.91 = 11,960.10/x
  3. Step 3: Cross multiply
    26,750.61x = 40,130.91 × 11,960.10
  4. Step 4: Simplify right side
    26,750.61x = 479,969,696.69
  5. Step 5: Solve for x
    x = 479,969,696.69/26,750.61
  6. Step 6: Final answer
    x = 17,942.38

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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.