Home / 15,014.03-20,717.16-8,553.73

Finding the Fourth Proportional to 15,014.03, 20,717.16 and 8,553.73

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Solution

The fourth proportional to 15,014.03, 20,717.16 and 8,553.73 is: 11,802.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,014.03 : 20,717.16 = 8,553.73 : x
  2. Step 2: Convert to fraction form
    15,014.03/20,717.16 = 8,553.73/x
  3. Step 3: Cross multiply
    15,014.03x = 20,717.16 × 8,553.73
  4. Step 4: Simplify right side
    15,014.03x = 177,208,993.01
  5. Step 5: Solve for x
    x = 177,208,993.01/15,014.03
  6. Step 6: Final answer
    x = 11,802.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.