Home / 16,185.42-22,333.20-10,220.28

Finding the Fourth Proportional to 16,185.42, 22,333.20 and 10,220.28

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Solution

The fourth proportional to 16,185.42, 22,333.20 and 10,220.28 is: 14,102.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,185.42 : 22,333.20 = 10,220.28 : x
  2. Step 2: Convert to fraction form
    16,185.42/22,333.20 = 10,220.28/x
  3. Step 3: Cross multiply
    16,185.42x = 22,333.20 × 10,220.28
  4. Step 4: Simplify right side
    16,185.42x = 228,251,557.30
  5. Step 5: Solve for x
    x = 228,251,557.30/16,185.42
  6. Step 6: Final answer
    x = 14,102.29

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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.