Home / 15,074.64-22,611.49-3,981.39

Finding the Fourth Proportional to 15,074.64, 22,611.49 and 3,981.39

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Solution

The fourth proportional to 15,074.64, 22,611.49 and 3,981.39 is: 5,971.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,074.64 : 22,611.49 = 3,981.39 : x
  2. Step 2: Convert to fraction form
    15,074.64/22,611.49 = 3,981.39/x
  3. Step 3: Cross multiply
    15,074.64x = 22,611.49 × 3,981.39
  4. Step 4: Simplify right side
    15,074.64x = 90,025,065.42
  5. Step 5: Solve for x
    x = 90,025,065.42/15,074.64
  6. Step 6: Final answer
    x = 5,971.95

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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.