Home / 20,663.24-30,970.26-10,799.88

Finding the Fourth Proportional to 20,663.24, 30,970.26 and 10,799.88

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Solution

The fourth proportional to 20,663.24, 30,970.26 and 10,799.88 is: 16,186.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,663.24 : 30,970.26 = 10,799.88 : x
  2. Step 2: Convert to fraction form
    20,663.24/30,970.26 = 10,799.88/x
  3. Step 3: Cross multiply
    20,663.24x = 30,970.26 × 10,799.88
  4. Step 4: Simplify right side
    20,663.24x = 334,475,091.57
  5. Step 5: Solve for x
    x = 334,475,091.57/20,663.24
  6. Step 6: Final answer
    x = 16,186.96

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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.