Home / 20,673.24-31,013.58-7,544.04

Finding the Fourth Proportional to 20,673.24, 31,013.58 and 7,544.04

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Solution

The fourth proportional to 20,673.24, 31,013.58 and 7,544.04 is: 11,317.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,673.24 : 31,013.58 = 7,544.04 : x
  2. Step 2: Convert to fraction form
    20,673.24/31,013.58 = 7,544.04/x
  3. Step 3: Cross multiply
    20,673.24x = 31,013.58 × 7,544.04
  4. Step 4: Simplify right side
    20,673.24x = 233,967,688.06
  5. Step 5: Solve for x
    x = 233,967,688.06/20,673.24
  6. Step 6: Final answer
    x = 11,317.42

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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.