Home / 17,926.90-26,890.34-5,446.87

Finding the Fourth Proportional to 17,926.90, 26,890.34 and 5,446.87

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Solution

The fourth proportional to 17,926.90, 26,890.34 and 5,446.87 is: 8,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,926.90 : 26,890.34 = 5,446.87 : x
  2. Step 2: Convert to fraction form
    17,926.90/26,890.34 = 5,446.87/x
  3. Step 3: Cross multiply
    17,926.90x = 26,890.34 × 5,446.87
  4. Step 4: Simplify right side
    17,926.90x = 146,468,091.78
  5. Step 5: Solve for x
    x = 146,468,091.78/17,926.90
  6. Step 6: Final answer
    x = 8,170.30

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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.