Home / 16,090.04-22,203.89-8,919.92

Finding the Fourth Proportional to 16,090.04, 22,203.89 and 8,919.92

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Solution

The fourth proportional to 16,090.04, 22,203.89 and 8,919.92 is: 12,309.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,090.04 : 22,203.89 = 8,919.92 : x
  2. Step 2: Convert to fraction form
    16,090.04/22,203.89 = 8,919.92/x
  3. Step 3: Cross multiply
    16,090.04x = 22,203.89 × 8,919.92
  4. Step 4: Simplify right side
    16,090.04x = 198,056,833.77
  5. Step 5: Solve for x
    x = 198,056,833.77/16,090.04
  6. Step 6: Final answer
    x = 12,309.29

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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.