Home / 19,503.21-29,228.31-8,249.20

Finding the Fourth Proportional to 19,503.21, 29,228.31 and 8,249.20

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Solution

The fourth proportional to 19,503.21, 29,228.31 and 8,249.20 is: 12,362.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,503.21 : 29,228.31 = 8,249.20 : x
  2. Step 2: Convert to fraction form
    19,503.21/29,228.31 = 8,249.20/x
  3. Step 3: Cross multiply
    19,503.21x = 29,228.31 × 8,249.20
  4. Step 4: Simplify right side
    19,503.21x = 241,110,174.85
  5. Step 5: Solve for x
    x = 241,110,174.85/19,503.21
  6. Step 6: Final answer
    x = 12,362.59

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Double scale
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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.