Home / 19,072.50-26,321.68-10,690.62

Finding the Fourth Proportional to 19,072.50, 26,321.68 and 10,690.62

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Solution

The fourth proportional to 19,072.50, 26,321.68 and 10,690.62 is: 14,753.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072.50 : 26,321.68 = 10,690.62 : x
  2. Step 2: Convert to fraction form
    19,072.50/26,321.68 = 10,690.62/x
  3. Step 3: Cross multiply
    19,072.50x = 26,321.68 × 10,690.62
  4. Step 4: Simplify right side
    19,072.50x = 281,395,078.64
  5. Step 5: Solve for x
    x = 281,395,078.64/19,072.50
  6. Step 6: Final answer
    x = 14,753.97

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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.