Home / 14,788.93-20,408.76-8,074.69

Finding the Fourth Proportional to 14,788.93, 20,408.76 and 8,074.69

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Solution

The fourth proportional to 14,788.93, 20,408.76 and 8,074.69 is: 11,143.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,788.93 : 20,408.76 = 8,074.69 : x
  2. Step 2: Convert to fraction form
    14,788.93/20,408.76 = 8,074.69/x
  3. Step 3: Cross multiply
    14,788.93x = 20,408.76 × 8,074.69
  4. Step 4: Simplify right side
    14,788.93x = 164,794,359.26
  5. Step 5: Solve for x
    x = 164,794,359.26/14,788.93
  6. Step 6: Final answer
    x = 11,143.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.