Home / 14,179.05-21,272.02-4,318.52

Finding the Fourth Proportional to 14,179.05, 21,272.02 and 4,318.52

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Solution

The fourth proportional to 14,179.05, 21,272.02 and 4,318.52 is: 6,478.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.05 : 21,272.02 = 4,318.52 : x
  2. Step 2: Convert to fraction form
    14,179.05/21,272.02 = 4,318.52/x
  3. Step 3: Cross multiply
    14,179.05x = 21,272.02 × 4,318.52
  4. Step 4: Simplify right side
    14,179.05x = 91,863,526.65
  5. Step 5: Solve for x
    x = 91,863,526.65/14,179.05
  6. Step 6: Final answer
    x = 6,478.82

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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.