Home / 26,260.45-39,391.20-7,541.10

Finding the Fourth Proportional to 26,260.45, 39,391.20 and 7,541.10

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Solution

The fourth proportional to 26,260.45, 39,391.20 and 7,541.10 is: 11,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,260.45 : 39,391.20 = 7,541.10 : x
  2. Step 2: Convert to fraction form
    26,260.45/39,391.20 = 7,541.10/x
  3. Step 3: Cross multiply
    26,260.45x = 39,391.20 × 7,541.10
  4. Step 4: Simplify right side
    26,260.45x = 297,052,978.32
  5. Step 5: Solve for x
    x = 297,052,978.32/26,260.45
  6. Step 6: Final answer
    x = 11,311.80

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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.