Home / 14,239.48-21,359.23-3,709.48

Finding the Fourth Proportional to 14,239.48, 21,359.23 and 3,709.48

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Solution

The fourth proportional to 14,239.48, 21,359.23 and 3,709.48 is: 5,564.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.48 : 21,359.23 = 3,709.48 : x
  2. Step 2: Convert to fraction form
    14,239.48/21,359.23 = 3,709.48/x
  3. Step 3: Cross multiply
    14,239.48x = 21,359.23 × 3,709.48
  4. Step 4: Simplify right side
    14,239.48x = 79,231,534.34
  5. Step 5: Solve for x
    x = 79,231,534.34/14,239.48
  6. Step 6: Final answer
    x = 5,564.21

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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.