Home / 22,305.28-33,454.83-12,328.46

Finding the Fourth Proportional to 22,305.28, 33,454.83 and 12,328.46

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Solution

The fourth proportional to 22,305.28, 33,454.83 and 12,328.46 is: 18,490.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,305.28 : 33,454.83 = 12,328.46 : x
  2. Step 2: Convert to fraction form
    22,305.28/33,454.83 = 12,328.46/x
  3. Step 3: Cross multiply
    22,305.28x = 33,454.83 × 12,328.46
  4. Step 4: Simplify right side
    22,305.28x = 412,446,366.19
  5. Step 5: Solve for x
    x = 412,446,366.19/22,305.28
  6. Step 6: Final answer
    x = 18,490.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.