Home / 26,258.12-39,387.12-11,255.51

Finding the Fourth Proportional to 26,258.12, 39,387.12 and 11,255.51

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Solution

The fourth proportional to 26,258.12, 39,387.12 and 11,255.51 is: 16,883.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,258.12 : 39,387.12 = 11,255.51 : x
  2. Step 2: Convert to fraction form
    26,258.12/39,387.12 = 11,255.51/x
  3. Step 3: Cross multiply
    26,258.12x = 39,387.12 × 11,255.51
  4. Step 4: Simplify right side
    26,258.12x = 443,322,123.03
  5. Step 5: Solve for x
    x = 443,322,123.03/26,258.12
  6. Step 6: Final answer
    x = 16,883.24

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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.