Home / 19,724.75-27,220.02-10,772.26

Finding the Fourth Proportional to 19,724.75, 27,220.02 and 10,772.26

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Solution

The fourth proportional to 19,724.75, 27,220.02 and 10,772.26 is: 14,865.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,724.75 : 27,220.02 = 10,772.26 : x
  2. Step 2: Convert to fraction form
    19,724.75/27,220.02 = 10,772.26/x
  3. Step 3: Cross multiply
    19,724.75x = 27,220.02 × 10,772.26
  4. Step 4: Simplify right side
    19,724.75x = 293,221,064.60
  5. Step 5: Solve for x
    x = 293,221,064.60/19,724.75
  6. Step 6: Final answer
    x = 14,865.64

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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.