Home / 19,212.10-28,788.99-9,348.73

Finding the Fourth Proportional to 19,212.10, 28,788.99 and 9,348.73

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Solution

The fourth proportional to 19,212.10, 28,788.99 and 9,348.73 is: 14,008.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.10 : 28,788.99 = 9,348.73 : x
  2. Step 2: Convert to fraction form
    19,212.10/28,788.99 = 9,348.73/x
  3. Step 3: Cross multiply
    19,212.10x = 28,788.99 × 9,348.73
  4. Step 4: Simplify right side
    19,212.10x = 269,140,494.48
  5. Step 5: Solve for x
    x = 269,140,494.48/19,212.10
  6. Step 6: Final answer
    x = 14,008.91

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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.