Home / 27,258.06-40,887.90-11,665.56

Finding the Fourth Proportional to 27,258.06, 40,887.90 and 11,665.56

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Solution

The fourth proportional to 27,258.06, 40,887.90 and 11,665.56 is: 17,498.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,258.06 : 40,887.90 = 11,665.56 : x
  2. Step 2: Convert to fraction form
    27,258.06/40,887.90 = 11,665.56/x
  3. Step 3: Cross multiply
    27,258.06x = 40,887.90 × 11,665.56
  4. Step 4: Simplify right side
    27,258.06x = 476,980,250.72
  5. Step 5: Solve for x
    x = 476,980,250.72/27,258.06
  6. Step 6: Final answer
    x = 17,498.69

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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.