Home / 22,057.20-30,427.26-13,976.58

Finding the Fourth Proportional to 22,057.20, 30,427.26 and 13,976.58

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Solution

The fourth proportional to 22,057.20, 30,427.26 and 13,976.58 is: 19,280.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,057.20 : 30,427.26 = 13,976.58 : x
  2. Step 2: Convert to fraction form
    22,057.20/30,427.26 = 13,976.58/x
  3. Step 3: Cross multiply
    22,057.20x = 30,427.26 × 13,976.58
  4. Step 4: Simplify right side
    22,057.20x = 425,269,033.57
  5. Step 5: Solve for x
    x = 425,269,033.57/22,057.20
  6. Step 6: Final answer
    x = 19,280.28

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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.