Home / 14,986.38-22,478.49-6,663.90

Finding the Fourth Proportional to 14,986.38, 22,478.49 and 6,663.90

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Solution

The fourth proportional to 14,986.38, 22,478.49 and 6,663.90 is: 9,995.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986.38 : 22,478.49 = 6,663.90 : x
  2. Step 2: Convert to fraction form
    14,986.38/22,478.49 = 6,663.90/x
  3. Step 3: Cross multiply
    14,986.38x = 22,478.49 × 6,663.90
  4. Step 4: Simplify right side
    14,986.38x = 149,794,409.51
  5. Step 5: Solve for x
    x = 149,794,409.51/14,986.38
  6. Step 6: Final answer
    x = 9,995.37

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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.