Home / 19,724.98-27,220.24-10,772.86

Finding the Fourth Proportional to 19,724.98, 27,220.24 and 10,772.86

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Solution

The fourth proportional to 19,724.98, 27,220.24 and 10,772.86 is: 14,866.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,724.98 : 27,220.24 = 10,772.86 : x
  2. Step 2: Convert to fraction form
    19,724.98/27,220.24 = 10,772.86/x
  3. Step 3: Cross multiply
    19,724.98x = 27,220.24 × 10,772.86
  4. Step 4: Simplify right side
    19,724.98x = 293,239,834.69
  5. Step 5: Solve for x
    x = 293,239,834.69/19,724.98
  6. Step 6: Final answer
    x = 14,866.42

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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.