Home / 19,907.34-27,469.85-10,954.01

Finding the Fourth Proportional to 19,907.34, 27,469.85 and 10,954.01

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Solution

The fourth proportional to 19,907.34, 27,469.85 and 10,954.01 is: 15,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,907.34 : 27,469.85 = 10,954.01 : x
  2. Step 2: Convert to fraction form
    19,907.34/27,469.85 = 10,954.01/x
  3. Step 3: Cross multiply
    19,907.34x = 27,469.85 × 10,954.01
  4. Step 4: Simplify right side
    19,907.34x = 300,904,819.48
  5. Step 5: Solve for x
    x = 300,904,819.48/19,907.34
  6. Step 6: Final answer
    x = 15,115.27

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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.