Home / 14,359.91-21,517.86-9,662.51

Finding the Fourth Proportional to 14,359.91, 21,517.86 and 9,662.51

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Solution

The fourth proportional to 14,359.91, 21,517.86 and 9,662.51 is: 14,478.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.91 : 21,517.86 = 9,662.51 : x
  2. Step 2: Convert to fraction form
    14,359.91/21,517.86 = 9,662.51/x
  3. Step 3: Cross multiply
    14,359.91x = 21,517.86 × 9,662.51
  4. Step 4: Simplify right side
    14,359.91x = 207,916,429.84
  5. Step 5: Solve for x
    x = 207,916,429.84/14,359.91
  6. Step 6: Final answer
    x = 14,478.96

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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.