Home / 16,287.75-22,477.10-8,835.75

Finding the Fourth Proportional to 16,287.75, 22,477.10 and 8,835.75

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Solution

The fourth proportional to 16,287.75, 22,477.10 and 8,835.75 is: 12,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,287.75 : 22,477.10 = 8,835.75 : x
  2. Step 2: Convert to fraction form
    16,287.75/22,477.10 = 8,835.75/x
  3. Step 3: Cross multiply
    16,287.75x = 22,477.10 × 8,835.75
  4. Step 4: Simplify right side
    16,287.75x = 198,601,992.15
  5. Step 5: Solve for x
    x = 198,601,992.15/16,287.75
  6. Step 6: Final answer
    x = 12,193.34

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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.