Home / 16,289.22-22,477.54-9,118.77

Finding the Fourth Proportional to 16,289.22, 22,477.54 and 9,118.77

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Solution

The fourth proportional to 16,289.22, 22,477.54 and 9,118.77 is: 12,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,289.22 : 22,477.54 = 9,118.77 : x
  2. Step 2: Convert to fraction form
    16,289.22/22,477.54 = 9,118.77/x
  3. Step 3: Cross multiply
    16,289.22x = 22,477.54 × 9,118.77
  4. Step 4: Simplify right side
    16,289.22x = 204,967,517.43
  5. Step 5: Solve for x
    x = 204,967,517.43/16,289.22
  6. Step 6: Final answer
    x = 12,583.02

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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.