Home / 23,399.14-32,290.91-12,788.77

Finding the Fourth Proportional to 23,399.14, 32,290.91 and 12,788.77

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Solution

The fourth proportional to 23,399.14, 32,290.91 and 12,788.77 is: 17,648.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,399.14 : 32,290.91 = 12,788.77 : x
  2. Step 2: Convert to fraction form
    23,399.14/32,290.91 = 12,788.77/x
  3. Step 3: Cross multiply
    23,399.14x = 32,290.91 × 12,788.77
  4. Step 4: Simplify right side
    23,399.14x = 412,961,021.08
  5. Step 5: Solve for x
    x = 412,961,021.08/23,399.14
  6. Step 6: Final answer
    x = 17,648.56

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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.