Home / 19,202.36-28,766.64-10,857.59

Finding the Fourth Proportional to 19,202.36, 28,766.64 and 10,857.59

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Solution

The fourth proportional to 19,202.36, 28,766.64 and 10,857.59 is: 16,265.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,202.36 : 28,766.64 = 10,857.59 : x
  2. Step 2: Convert to fraction form
    19,202.36/28,766.64 = 10,857.59/x
  3. Step 3: Cross multiply
    19,202.36x = 28,766.64 × 10,857.59
  4. Step 4: Simplify right side
    19,202.36x = 312,336,256.59
  5. Step 5: Solve for x
    x = 312,336,256.59/19,202.36
  6. Step 6: Final answer
    x = 16,265.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.