Home / 45,190.82-67,772.55-13,592.49

Finding the Fourth Proportional to 45,190.82, 67,772.55 and 13,592.49

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Solution

The fourth proportional to 45,190.82, 67,772.55 and 13,592.49 is: 20,384.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,190.82 : 67,772.55 = 13,592.49 : x
  2. Step 2: Convert to fraction form
    45,190.82/67,772.55 = 13,592.49/x
  3. Step 3: Cross multiply
    45,190.82x = 67,772.55 × 13,592.49
  4. Step 4: Simplify right side
    45,190.82x = 921,197,640.19
  5. Step 5: Solve for x
    x = 921,197,640.19/45,190.82
  6. Step 6: Final answer
    x = 20,384.62

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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.