Home / 25,099.06-37,640.91-8,454.63

Finding the Fourth Proportional to 25,099.06, 37,640.91 and 8,454.63

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Solution

The fourth proportional to 25,099.06, 37,640.91 and 8,454.63 is: 12,679.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,099.06 : 37,640.91 = 8,454.63 : x
  2. Step 2: Convert to fraction form
    25,099.06/37,640.91 = 8,454.63/x
  3. Step 3: Cross multiply
    25,099.06x = 37,640.91 × 8,454.63
  4. Step 4: Simplify right side
    25,099.06x = 318,239,998.62
  5. Step 5: Solve for x
    x = 318,239,998.62/25,099.06
  6. Step 6: Final answer
    x = 12,679.36

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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.