Home / 25,613.91-38,420.87-6,893.99

Finding the Fourth Proportional to 25,613.91, 38,420.87 and 6,893.99

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Solution

The fourth proportional to 25,613.91, 38,420.87 and 6,893.99 is: 10,340.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,613.91 : 38,420.87 = 6,893.99 : x
  2. Step 2: Convert to fraction form
    25,613.91/38,420.87 = 6,893.99/x
  3. Step 3: Cross multiply
    25,613.91x = 38,420.87 × 6,893.99
  4. Step 4: Simplify right side
    25,613.91x = 264,873,093.57
  5. Step 5: Solve for x
    x = 264,873,093.57/25,613.91
  6. Step 6: Final answer
    x = 10,340.99

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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.