Home / 18,891.09-26,058.83-11,335.01

Finding the Fourth Proportional to 18,891.09, 26,058.83 and 11,335.01

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Solution

The fourth proportional to 18,891.09, 26,058.83 and 11,335.01 is: 15,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,891.09 : 26,058.83 = 11,335.01 : x
  2. Step 2: Convert to fraction form
    18,891.09/26,058.83 = 11,335.01/x
  3. Step 3: Cross multiply
    18,891.09x = 26,058.83 × 11,335.01
  4. Step 4: Simplify right side
    18,891.09x = 295,376,911.67
  5. Step 5: Solve for x
    x = 295,376,911.67/18,891.09
  6. Step 6: Final answer
    x = 15,635.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.