Home / 14,376.75-21,558.65-5,611.47

Finding the Fourth Proportional to 14,376.75, 21,558.65 and 5,611.47

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Solution

The fourth proportional to 14,376.75, 21,558.65 and 5,611.47 is: 8,414.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,376.75 : 21,558.65 = 5,611.47 : x
  2. Step 2: Convert to fraction form
    14,376.75/21,558.65 = 5,611.47/x
  3. Step 3: Cross multiply
    14,376.75x = 21,558.65 × 5,611.47
  4. Step 4: Simplify right side
    14,376.75x = 120,975,689.66
  5. Step 5: Solve for x
    x = 120,975,689.66/14,376.75
  6. Step 6: Final answer
    x = 8,414.68

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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.