Home / 19,904.82-29,867.70-8,819.16

Finding the Fourth Proportional to 19,904.82, 29,867.70 and 8,819.16

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Solution

The fourth proportional to 19,904.82, 29,867.70 and 8,819.16 is: 13,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.82 : 29,867.70 = 8,819.16 : x
  2. Step 2: Convert to fraction form
    19,904.82/29,867.70 = 8,819.16/x
  3. Step 3: Cross multiply
    19,904.82x = 29,867.70 × 8,819.16
  4. Step 4: Simplify right side
    19,904.82x = 263,408,025.13
  5. Step 5: Solve for x
    x = 263,408,025.13/19,904.82
  6. Step 6: Final answer
    x = 13,233.38

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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.