Home / 19,225.62-28,856.43-11,844.54

Finding the Fourth Proportional to 19,225.62, 28,856.43 and 11,844.54

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Solution

The fourth proportional to 19,225.62, 28,856.43 and 11,844.54 is: 17,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,225.62 : 28,856.43 = 11,844.54 : x
  2. Step 2: Convert to fraction form
    19,225.62/28,856.43 = 11,844.54/x
  3. Step 3: Cross multiply
    19,225.62x = 28,856.43 × 11,844.54
  4. Step 4: Simplify right side
    19,225.62x = 341,791,139.39
  5. Step 5: Solve for x
    x = 341,791,139.39/19,225.62
  6. Step 6: Final answer
    x = 17,777.90

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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.