Home / 25,908.24-38,866.14-8,378.76

Finding the Fourth Proportional to 25,908.24, 38,866.14 and 8,378.76

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Solution

The fourth proportional to 25,908.24, 38,866.14 and 8,378.76 is: 12,569.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,908.24 : 38,866.14 = 8,378.76 : x
  2. Step 2: Convert to fraction form
    25,908.24/38,866.14 = 8,378.76/x
  3. Step 3: Cross multiply
    25,908.24x = 38,866.14 × 8,378.76
  4. Step 4: Simplify right side
    25,908.24x = 325,650,059.19
  5. Step 5: Solve for x
    x = 325,650,059.19/25,908.24
  6. Step 6: Final answer
    x = 12,569.36

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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.