Home / 30,270.52-45,418.83-11,556.17

Finding the Fourth Proportional to 30,270.52, 45,418.83 and 11,556.17

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Solution

The fourth proportional to 30,270.52, 45,418.83 and 11,556.17 is: 17,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,270.52 : 45,418.83 = 11,556.17 : x
  2. Step 2: Convert to fraction form
    30,270.52/45,418.83 = 11,556.17/x
  3. Step 3: Cross multiply
    30,270.52x = 45,418.83 × 11,556.17
  4. Step 4: Simplify right side
    30,270.52x = 524,867,720.68
  5. Step 5: Solve for x
    x = 524,867,720.68/30,270.52
  6. Step 6: Final answer
    x = 17,339.24

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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.