Home / 16,058.79-22,160.66-8,889.21

Finding the Fourth Proportional to 16,058.79, 22,160.66 and 8,889.21

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Solution

The fourth proportional to 16,058.79, 22,160.66 and 8,889.21 is: 12,266.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,058.79 : 22,160.66 = 8,889.21 : x
  2. Step 2: Convert to fraction form
    16,058.79/22,160.66 = 8,889.21/x
  3. Step 3: Cross multiply
    16,058.79x = 22,160.66 × 8,889.21
  4. Step 4: Simplify right side
    16,058.79x = 196,990,716.03
  5. Step 5: Solve for x
    x = 196,990,716.03/16,058.79
  6. Step 6: Final answer
    x = 12,266.85

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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.