Home / 15,261.62-21,058.99-8,546.31

Finding the Fourth Proportional to 15,261.62, 21,058.99 and 8,546.31

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Solution

The fourth proportional to 15,261.62, 21,058.99 and 8,546.31 is: 11,792.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,261.62 : 21,058.99 = 8,546.31 : x
  2. Step 2: Convert to fraction form
    15,261.62/21,058.99 = 8,546.31/x
  3. Step 3: Cross multiply
    15,261.62x = 21,058.99 × 8,546.31
  4. Step 4: Simplify right side
    15,261.62x = 179,976,635.46
  5. Step 5: Solve for x
    x = 179,976,635.46/15,261.62
  6. Step 6: Final answer
    x = 11,792.76

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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.