Home / 17,211.56-25,819.50-5,521.64

Finding the Fourth Proportional to 17,211.56, 25,819.50 and 5,521.64

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Solution

The fourth proportional to 17,211.56, 25,819.50 and 5,521.64 is: 8,283.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,211.56 : 25,819.50 = 5,521.64 : x
  2. Step 2: Convert to fraction form
    17,211.56/25,819.50 = 5,521.64/x
  3. Step 3: Cross multiply
    17,211.56x = 25,819.50 × 5,521.64
  4. Step 4: Simplify right side
    17,211.56x = 142,565,983.98
  5. Step 5: Solve for x
    x = 142,565,983.98/17,211.56
  6. Step 6: Final answer
    x = 8,283.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.