Home / 20,896.03-31,349.23-10,370.99

Finding the Fourth Proportional to 20,896.03, 31,349.23 and 10,370.99

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Solution

The fourth proportional to 20,896.03, 31,349.23 and 10,370.99 is: 15,559.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,896.03 : 31,349.23 = 10,370.99 : x
  2. Step 2: Convert to fraction form
    20,896.03/31,349.23 = 10,370.99/x
  3. Step 3: Cross multiply
    20,896.03x = 31,349.23 × 10,370.99
  4. Step 4: Simplify right side
    20,896.03x = 325,122,426.94
  5. Step 5: Solve for x
    x = 325,122,426.94/20,896.03
  6. Step 6: Final answer
    x = 15,559.06

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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.