Home / 19,635.94-27,099.40-11,140.83

Finding the Fourth Proportional to 19,635.94, 27,099.40 and 11,140.83

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Solution

The fourth proportional to 19,635.94, 27,099.40 and 11,140.83 is: 15,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,635.94 : 27,099.40 = 11,140.83 : x
  2. Step 2: Convert to fraction form
    19,635.94/27,099.40 = 11,140.83/x
  3. Step 3: Cross multiply
    19,635.94x = 27,099.40 × 11,140.83
  4. Step 4: Simplify right side
    19,635.94x = 301,909,645.15
  5. Step 5: Solve for x
    x = 301,909,645.15/19,635.94
  6. Step 6: Final answer
    x = 15,375.36

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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.