Home / 17,019.45-25,414.44-13,905.61

Finding the Fourth Proportional to 17,019.45, 25,414.44 and 13,905.61

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Solution

The fourth proportional to 17,019.45, 25,414.44 and 13,905.61 is: 20,764.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,019.45 : 25,414.44 = 13,905.61 : x
  2. Step 2: Convert to fraction form
    17,019.45/25,414.44 = 13,905.61/x
  3. Step 3: Cross multiply
    17,019.45x = 25,414.44 × 13,905.61
  4. Step 4: Simplify right side
    17,019.45x = 353,403,374.92
  5. Step 5: Solve for x
    x = 353,403,374.92/17,019.45
  6. Step 6: Final answer
    x = 20,764.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.