Home / 16,930.74-23,363.61-9,376.56

Finding the Fourth Proportional to 16,930.74, 23,363.61 and 9,376.56

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Solution

The fourth proportional to 16,930.74, 23,363.61 and 9,376.56 is: 12,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.74 : 23,363.61 = 9,376.56 : x
  2. Step 2: Convert to fraction form
    16,930.74/23,363.61 = 9,376.56/x
  3. Step 3: Cross multiply
    16,930.74x = 23,363.61 × 9,376.56
  4. Step 4: Simplify right side
    16,930.74x = 219,070,290.98
  5. Step 5: Solve for x
    x = 219,070,290.98/16,930.74
  6. Step 6: Final answer
    x = 12,939.20

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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.