Home / 16,940.40-23,377.78-9,386.66

Finding the Fourth Proportional to 16,940.40, 23,377.78 and 9,386.66

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Solution

The fourth proportional to 16,940.40, 23,377.78 and 9,386.66 is: 12,953.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,940.40 : 23,377.78 = 9,386.66 : x
  2. Step 2: Convert to fraction form
    16,940.40/23,377.78 = 9,386.66/x
  3. Step 3: Cross multiply
    16,940.40x = 23,377.78 × 9,386.66
  4. Step 4: Simplify right side
    16,940.40x = 219,439,342.59
  5. Step 5: Solve for x
    x = 219,439,342.59/16,940.40
  6. Step 6: Final answer
    x = 12,953.61

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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.