Home / 25,723.10-38,587.44-8,188.86

Finding the Fourth Proportional to 25,723.10, 38,587.44 and 8,188.86

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Solution

The fourth proportional to 25,723.10, 38,587.44 and 8,188.86 is: 12,284.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,723.10 : 38,587.44 = 8,188.86 : x
  2. Step 2: Convert to fraction form
    25,723.10/38,587.44 = 8,188.86/x
  3. Step 3: Cross multiply
    25,723.10x = 38,587.44 × 8,188.86
  4. Step 4: Simplify right side
    25,723.10x = 315,987,143.92
  5. Step 5: Solve for x
    x = 315,987,143.92/25,723.10
  6. Step 6: Final answer
    x = 12,284.18

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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.