Home / 16,680.62-22,987.46-11,956.70

Finding the Fourth Proportional to 16,680.62, 22,987.46 and 11,956.70

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Solution

The fourth proportional to 16,680.62, 22,987.46 and 11,956.70 is: 16,477.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680.62 : 22,987.46 = 11,956.70 : x
  2. Step 2: Convert to fraction form
    16,680.62/22,987.46 = 11,956.70/x
  3. Step 3: Cross multiply
    16,680.62x = 22,987.46 × 11,956.70
  4. Step 4: Simplify right side
    16,680.62x = 274,854,250.34
  5. Step 5: Solve for x
    x = 274,854,250.34/16,680.62
  6. Step 6: Final answer
    x = 16,477.46

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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.