Home / 25,296.03-34,910.90-18,911.57

Finding the Fourth Proportional to 25,296.03, 34,910.90 and 18,911.57

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Solution

The fourth proportional to 25,296.03, 34,910.90 and 18,911.57 is: 26,099.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,296.03 : 34,910.90 = 18,911.57 : x
  2. Step 2: Convert to fraction form
    25,296.03/34,910.90 = 18,911.57/x
  3. Step 3: Cross multiply
    25,296.03x = 34,910.90 × 18,911.57
  4. Step 4: Simplify right side
    25,296.03x = 660,219,660.00
  5. Step 5: Solve for x
    x = 660,219,660.00/25,296.03
  6. Step 6: Final answer
    x = 26,099.73

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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.