Home / 16,930.98-23,364.54-9,377.28

Finding the Fourth Proportional to 16,930.98, 23,364.54 and 9,377.28

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Solution

The fourth proportional to 16,930.98, 23,364.54 and 9,377.28 is: 12,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.98 : 23,364.54 = 9,377.28 : x
  2. Step 2: Convert to fraction form
    16,930.98/23,364.54 = 9,377.28/x
  3. Step 3: Cross multiply
    16,930.98x = 23,364.54 × 9,377.28
  4. Step 4: Simplify right side
    16,930.98x = 219,095,833.65
  5. Step 5: Solve for x
    x = 219,095,833.65/16,930.98
  6. Step 6: Final answer
    x = 12,940.53

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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.