Home / 16,062.96-22,166.64-8,989.36

Finding the Fourth Proportional to 16,062.96, 22,166.64 and 8,989.36

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Solution

The fourth proportional to 16,062.96, 22,166.64 and 8,989.36 is: 12,405.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,062.96 : 22,166.64 = 8,989.36 : x
  2. Step 2: Convert to fraction form
    16,062.96/22,166.64 = 8,989.36/x
  3. Step 3: Cross multiply
    16,062.96x = 22,166.64 × 8,989.36
  4. Step 4: Simplify right side
    16,062.96x = 199,263,906.95
  5. Step 5: Solve for x
    x = 199,263,906.95/16,062.96
  6. Step 6: Final answer
    x = 12,405.18

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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.