Home / 16,409.40-24,611.13-4,719.75

Finding the Fourth Proportional to 16,409.40, 24,611.13 and 4,719.75

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Solution

The fourth proportional to 16,409.40, 24,611.13 and 4,719.75 is: 7,078.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,409.40 : 24,611.13 = 4,719.75 : x
  2. Step 2: Convert to fraction form
    16,409.40/24,611.13 = 4,719.75/x
  3. Step 3: Cross multiply
    16,409.40x = 24,611.13 × 4,719.75
  4. Step 4: Simplify right side
    16,409.40x = 116,158,380.82
  5. Step 5: Solve for x
    x = 116,158,380.82/16,409.40
  6. Step 6: Final answer
    x = 7,078.77

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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.