Home / 14,949.62-20,630.39-8,235.06

Finding the Fourth Proportional to 14,949.62, 20,630.39 and 8,235.06

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Solution

The fourth proportional to 14,949.62, 20,630.39 and 8,235.06 is: 11,364.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,949.62 : 20,630.39 = 8,235.06 : x
  2. Step 2: Convert to fraction form
    14,949.62/20,630.39 = 8,235.06/x
  3. Step 3: Cross multiply
    14,949.62x = 20,630.39 × 8,235.06
  4. Step 4: Simplify right side
    14,949.62x = 169,892,458.30
  5. Step 5: Solve for x
    x = 169,892,458.30/14,949.62
  6. Step 6: Final answer
    x = 11,364.34

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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.