Home / 18,866.04-28,298.82-11,472.52

Finding the Fourth Proportional to 18,866.04, 28,298.82 and 11,472.52

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Solution

The fourth proportional to 18,866.04, 28,298.82 and 11,472.52 is: 17,208.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866.04 : 28,298.82 = 11,472.52 : x
  2. Step 2: Convert to fraction form
    18,866.04/28,298.82 = 11,472.52/x
  3. Step 3: Cross multiply
    18,866.04x = 28,298.82 × 11,472.52
  4. Step 4: Simplify right side
    18,866.04x = 324,658,778.43
  5. Step 5: Solve for x
    x = 324,658,778.43/18,866.04
  6. Step 6: Final answer
    x = 17,208.63

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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.