Home / 17,815.32-26,744.58-8,336.70

Finding the Fourth Proportional to 17,815.32, 26,744.58 and 8,336.70

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Solution

The fourth proportional to 17,815.32, 26,744.58 and 8,336.70 is: 12,515.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815.32 : 26,744.58 = 8,336.70 : x
  2. Step 2: Convert to fraction form
    17,815.32/26,744.58 = 8,336.70/x
  3. Step 3: Cross multiply
    17,815.32x = 26,744.58 × 8,336.70
  4. Step 4: Simplify right side
    17,815.32x = 222,961,540.09
  5. Step 5: Solve for x
    x = 222,961,540.09/17,815.32
  6. Step 6: Final answer
    x = 12,515.16

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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.