Home / 19,858.88-27,404.18-10,907.56

Finding the Fourth Proportional to 19,858.88, 27,404.18 and 10,907.56

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Solution

The fourth proportional to 19,858.88, 27,404.18 and 10,907.56 is: 15,051.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,858.88 : 27,404.18 = 10,907.56 : x
  2. Step 2: Convert to fraction form
    19,858.88/27,404.18 = 10,907.56/x
  3. Step 3: Cross multiply
    19,858.88x = 27,404.18 × 10,907.56
  4. Step 4: Simplify right side
    19,858.88x = 298,912,737.60
  5. Step 5: Solve for x
    x = 298,912,737.60/19,858.88
  6. Step 6: Final answer
    x = 15,051.84

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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.