Home / 19,724.48-27,219.56-10,772.36

Finding the Fourth Proportional to 19,724.48, 27,219.56 and 10,772.36

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Solution

The fourth proportional to 19,724.48, 27,219.56 and 10,772.36 is: 14,865.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,724.48 : 27,219.56 = 10,772.36 : x
  2. Step 2: Convert to fraction form
    19,724.48/27,219.56 = 10,772.36/x
  3. Step 3: Cross multiply
    19,724.48x = 27,219.56 × 10,772.36
  4. Step 4: Simplify right side
    19,724.48x = 293,218,709.40
  5. Step 5: Solve for x
    x = 293,218,709.40/19,724.48
  6. Step 6: Final answer
    x = 14,865.73

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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.