Home / 14,269.30-21,398.43-4,907.54

Finding the Fourth Proportional to 14,269.30, 21,398.43 and 4,907.54

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Solution

The fourth proportional to 14,269.30, 21,398.43 and 4,907.54 is: 7,359.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.30 : 21,398.43 = 4,907.54 : x
  2. Step 2: Convert to fraction form
    14,269.30/21,398.43 = 4,907.54/x
  3. Step 3: Cross multiply
    14,269.30x = 21,398.43 × 4,907.54
  4. Step 4: Simplify right side
    14,269.30x = 105,013,651.16
  5. Step 5: Solve for x
    x = 105,013,651.16/14,269.30
  6. Step 6: Final answer
    x = 7,359.41

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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.