Home / 25,856.66-38,802.31-11,069.20

Finding the Fourth Proportional to 25,856.66, 38,802.31 and 11,069.20

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Solution

The fourth proportional to 25,856.66, 38,802.31 and 11,069.20 is: 16,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,856.66 : 38,802.31 = 11,069.20 : x
  2. Step 2: Convert to fraction form
    25,856.66/38,802.31 = 11,069.20/x
  3. Step 3: Cross multiply
    25,856.66x = 38,802.31 × 11,069.20
  4. Step 4: Simplify right side
    25,856.66x = 429,510,550.68
  5. Step 5: Solve for x
    x = 429,510,550.68/25,856.66
  6. Step 6: Final answer
    x = 16,611.21

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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.