Home / 19,208.72-28,793.31-7,359.27

Finding the Fourth Proportional to 19,208.72, 28,793.31 and 7,359.27

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Solution

The fourth proportional to 19,208.72, 28,793.31 and 7,359.27 is: 11,031.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208.72 : 28,793.31 = 7,359.27 : x
  2. Step 2: Convert to fraction form
    19,208.72/28,793.31 = 7,359.27/x
  3. Step 3: Cross multiply
    19,208.72x = 28,793.31 × 7,359.27
  4. Step 4: Simplify right side
    19,208.72x = 211,897,742.48
  5. Step 5: Solve for x
    x = 211,897,742.48/19,208.72
  6. Step 6: Final answer
    x = 11,031.33

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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.