Home / 15,048.10-20,769.83-10,012.53

Finding the Fourth Proportional to 15,048.10, 20,769.83 and 10,012.53

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Solution

The fourth proportional to 15,048.10, 20,769.83 and 10,012.53 is: 13,819.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048.10 : 20,769.83 = 10,012.53 : x
  2. Step 2: Convert to fraction form
    15,048.10/20,769.83 = 10,012.53/x
  3. Step 3: Cross multiply
    15,048.10x = 20,769.83 × 10,012.53
  4. Step 4: Simplify right side
    15,048.10x = 207,958,622.93
  5. Step 5: Solve for x
    x = 207,958,622.93/15,048.10
  6. Step 6: Final answer
    x = 13,819.59

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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.