Home / 25,908.48-38,863.26-8,378.28

Finding the Fourth Proportional to 25,908.48, 38,863.26 and 8,378.28

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Solution

The fourth proportional to 25,908.48, 38,863.26 and 8,378.28 is: 12,567.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,908.48 : 38,863.26 = 8,378.28 : x
  2. Step 2: Convert to fraction form
    25,908.48/38,863.26 = 8,378.28/x
  3. Step 3: Cross multiply
    25,908.48x = 38,863.26 × 8,378.28
  4. Step 4: Simplify right side
    25,908.48x = 325,607,273.99
  5. Step 5: Solve for x
    x = 325,607,273.99/25,908.48
  6. Step 6: Final answer
    x = 12,567.59

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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.