Home / 54,138.50-81,206.39-14,694.59

Finding the Fourth Proportional to 54,138.50, 81,206.39 and 14,694.59

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Solution

The fourth proportional to 54,138.50, 81,206.39 and 14,694.59 is: 22,041.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,138.50 : 81,206.39 = 14,694.59 : x
  2. Step 2: Convert to fraction form
    54,138.50/81,206.39 = 14,694.59/x
  3. Step 3: Cross multiply
    54,138.50x = 81,206.39 × 14,694.59
  4. Step 4: Simplify right side
    54,138.50x = 1,193,294,532.96
  5. Step 5: Solve for x
    x = 1,193,294,532.96/54,138.50
  6. Step 6: Final answer
    x = 22,041.51

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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.