Home / 19,101.36-28,652-10,777.60

Finding the Fourth Proportional to 19,101.36, 28,652 and 10,777.60

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Solution

The fourth proportional to 19,101.36, 28,652 and 10,777.60 is: 16,166.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,101.36 : 28,652 = 10,777.60 : x
  2. Step 2: Convert to fraction form
    19,101.36/28,652 = 10,777.60/x
  3. Step 3: Cross multiply
    19,101.36x = 28,652 × 10,777.60
  4. Step 4: Simplify right side
    19,101.36x = 308,799,795.20
  5. Step 5: Solve for x
    x = 308,799,795.20/19,101.36
  6. Step 6: Final answer
    x = 16,166.38

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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.