Home / 16,025.34-22,116.17-9,221.45

Finding the Fourth Proportional to 16,025.34, 22,116.17 and 9,221.45

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Solution

The fourth proportional to 16,025.34, 22,116.17 and 9,221.45 is: 12,726.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,025.34 : 22,116.17 = 9,221.45 : x
  2. Step 2: Convert to fraction form
    16,025.34/22,116.17 = 9,221.45/x
  3. Step 3: Cross multiply
    16,025.34x = 22,116.17 × 9,221.45
  4. Step 4: Simplify right side
    16,025.34x = 203,942,999.16
  5. Step 5: Solve for x
    x = 203,942,999.16/16,025.34
  6. Step 6: Final answer
    x = 12,726.28

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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.