Home / 27,105.64-40,648.34-9,331.32

Finding the Fourth Proportional to 27,105.64, 40,648.34 and 9,331.32

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Solution

The fourth proportional to 27,105.64, 40,648.34 and 9,331.32 is: 13,993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,105.64 : 40,648.34 = 9,331.32 : x
  2. Step 2: Convert to fraction form
    27,105.64/40,648.34 = 9,331.32/x
  3. Step 3: Cross multiply
    27,105.64x = 40,648.34 × 9,331.32
  4. Step 4: Simplify right side
    27,105.64x = 379,302,668.01
  5. Step 5: Solve for x
    x = 379,302,668.01/27,105.64
  6. Step 6: Final answer
    x = 13,993.50

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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.