Home / 14,251.13-21,379.52-4,389.98

Finding the Fourth Proportional to 14,251.13, 21,379.52 and 4,389.98

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Solution

The fourth proportional to 14,251.13, 21,379.52 and 4,389.98 is: 6,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.13 : 21,379.52 = 4,389.98 : x
  2. Step 2: Convert to fraction form
    14,251.13/21,379.52 = 4,389.98/x
  3. Step 3: Cross multiply
    14,251.13x = 21,379.52 × 4,389.98
  4. Step 4: Simplify right side
    14,251.13x = 93,855,729.63
  5. Step 5: Solve for x
    x = 93,855,729.63/14,251.13
  6. Step 6: Final answer
    x = 6,585.85

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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.