Home / 19,416.92-29,100.77-12,394.82

Finding the Fourth Proportional to 19,416.92, 29,100.77 and 12,394.82

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Solution

The fourth proportional to 19,416.92, 29,100.77 and 12,394.82 is: 18,576.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,416.92 : 29,100.77 = 12,394.82 : x
  2. Step 2: Convert to fraction form
    19,416.92/29,100.77 = 12,394.82/x
  3. Step 3: Cross multiply
    19,416.92x = 29,100.77 × 12,394.82
  4. Step 4: Simplify right side
    19,416.92x = 360,698,863.27
  5. Step 5: Solve for x
    x = 360,698,863.27/19,416.92
  6. Step 6: Final answer
    x = 18,576.53

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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.