Home / 19,772.25-27,284.66-10,818.03

Finding the Fourth Proportional to 19,772.25, 27,284.66 and 10,818.03

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Solution

The fourth proportional to 19,772.25, 27,284.66 and 10,818.03 is: 14,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.25 : 27,284.66 = 10,818.03 : x
  2. Step 2: Convert to fraction form
    19,772.25/27,284.66 = 10,818.03/x
  3. Step 3: Cross multiply
    19,772.25x = 27,284.66 × 10,818.03
  4. Step 4: Simplify right side
    19,772.25x = 295,166,163.73
  5. Step 5: Solve for x
    x = 295,166,163.73/19,772.25
  6. Step 6: Final answer
    x = 14,928.30

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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.