Home / 19,239.58-28,856.60-5,200.41

Finding the Fourth Proportional to 19,239.58, 28,856.60 and 5,200.41

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Solution

The fourth proportional to 19,239.58, 28,856.60 and 5,200.41 is: 7,799.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.58 : 28,856.60 = 5,200.41 : x
  2. Step 2: Convert to fraction form
    19,239.58/28,856.60 = 5,200.41/x
  3. Step 3: Cross multiply
    19,239.58x = 28,856.60 × 5,200.41
  4. Step 4: Simplify right side
    19,239.58x = 150,066,151.21
  5. Step 5: Solve for x
    x = 150,066,151.21/19,239.58
  6. Step 6: Final answer
    x = 7,799.87

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1.5x scale

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.