Home / 20,513.97-30,772.46-7,366.45

Finding the Fourth Proportional to 20,513.97, 30,772.46 and 7,366.45

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Solution

The fourth proportional to 20,513.97, 30,772.46 and 7,366.45 is: 11,050.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,513.97 : 30,772.46 = 7,366.45 : x
  2. Step 2: Convert to fraction form
    20,513.97/30,772.46 = 7,366.45/x
  3. Step 3: Cross multiply
    20,513.97x = 30,772.46 × 7,366.45
  4. Step 4: Simplify right side
    20,513.97x = 226,683,787.97
  5. Step 5: Solve for x
    x = 226,683,787.97/20,513.97
  6. Step 6: Final answer
    x = 11,050.22

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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.