Home / 19,725.58-27,220.94-10,772.84

Finding the Fourth Proportional to 19,725.58, 27,220.94 and 10,772.84

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Solution

The fourth proportional to 19,725.58, 27,220.94 and 10,772.84 is: 14,866.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.58 : 27,220.94 = 10,772.84 : x
  2. Step 2: Convert to fraction form
    19,725.58/27,220.94 = 10,772.84/x
  3. Step 3: Cross multiply
    19,725.58x = 27,220.94 × 10,772.84
  4. Step 4: Simplify right side
    19,725.58x = 293,246,831.27
  5. Step 5: Solve for x
    x = 293,246,831.27/19,725.58
  6. Step 6: Final answer
    x = 14,866.32

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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.