Home / 14,148.73-21,227.67-4,289.02

Finding the Fourth Proportional to 14,148.73, 21,227.67 and 4,289.02

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Solution

The fourth proportional to 14,148.73, 21,227.67 and 4,289.02 is: 6,434.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.73 : 21,227.67 = 4,289.02 : x
  2. Step 2: Convert to fraction form
    14,148.73/21,227.67 = 4,289.02/x
  3. Step 3: Cross multiply
    14,148.73x = 21,227.67 × 4,289.02
  4. Step 4: Simplify right side
    14,148.73x = 91,045,901.18
  5. Step 5: Solve for x
    x = 91,045,901.18/14,148.73
  6. Step 6: Final answer
    x = 6,434.92

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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.