Home / 14,231.50-21,345.37-4,369.95

Finding the Fourth Proportional to 14,231.50, 21,345.37 and 4,369.95

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Solution

The fourth proportional to 14,231.50, 21,345.37 and 4,369.95 is: 6,554.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.50 : 21,345.37 = 4,369.95 : x
  2. Step 2: Convert to fraction form
    14,231.50/21,345.37 = 4,369.95/x
  3. Step 3: Cross multiply
    14,231.50x = 21,345.37 × 4,369.95
  4. Step 4: Simplify right side
    14,231.50x = 93,278,213.29
  5. Step 5: Solve for x
    x = 93,278,213.29/14,231.50
  6. Step 6: Final answer
    x = 6,554.35

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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.