Home / 16,658.46-22,989.15-11,355.66

Finding the Fourth Proportional to 16,658.46, 22,989.15 and 11,355.66

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Solution

The fourth proportional to 16,658.46, 22,989.15 and 11,355.66 is: 15,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.46 : 22,989.15 = 11,355.66 : x
  2. Step 2: Convert to fraction form
    16,658.46/22,989.15 = 11,355.66/x
  3. Step 3: Cross multiply
    16,658.46x = 22,989.15 × 11,355.66
  4. Step 4: Simplify right side
    16,658.46x = 261,056,971.09
  5. Step 5: Solve for x
    x = 261,056,971.09/16,658.46
  6. Step 6: Final answer
    x = 15,671.13

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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.