Home / 14,182.31-21,276.53-4,321.33

Finding the Fourth Proportional to 14,182.31, 21,276.53 and 4,321.33

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Solution

The fourth proportional to 14,182.31, 21,276.53 and 4,321.33 is: 6,482.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.31 : 21,276.53 = 4,321.33 : x
  2. Step 2: Convert to fraction form
    14,182.31/21,276.53 = 4,321.33/x
  3. Step 3: Cross multiply
    14,182.31x = 21,276.53 × 4,321.33
  4. Step 4: Simplify right side
    14,182.31x = 91,942,865.00
  5. Step 5: Solve for x
    x = 91,942,865.00/14,182.31
  6. Step 6: Final answer
    x = 6,482.92

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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.