Home / 18,996.37-28,503.33-10,109.48

Finding the Fourth Proportional to 18,996.37, 28,503.33 and 10,109.48

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Solution

The fourth proportional to 18,996.37, 28,503.33 and 10,109.48 is: 15,168.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,996.37 : 28,503.33 = 10,109.48 : x
  2. Step 2: Convert to fraction form
    18,996.37/28,503.33 = 10,109.48/x
  3. Step 3: Cross multiply
    18,996.37x = 28,503.33 × 10,109.48
  4. Step 4: Simplify right side
    18,996.37x = 288,153,664.14
  5. Step 5: Solve for x
    x = 288,153,664.14/18,996.37
  6. Step 6: Final answer
    x = 15,168.88

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1.5x scale

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.