Home / 22,150.16-30,574.62-13,200.47

Finding the Fourth Proportional to 22,150.16, 30,574.62 and 13,200.47

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Solution

The fourth proportional to 22,150.16, 30,574.62 and 13,200.47 is: 18,221.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,150.16 : 30,574.62 = 13,200.47 : x
  2. Step 2: Convert to fraction form
    22,150.16/30,574.62 = 13,200.47/x
  3. Step 3: Cross multiply
    22,150.16x = 30,574.62 × 13,200.47
  4. Step 4: Simplify right side
    22,150.16x = 403,599,201.20
  5. Step 5: Solve for x
    x = 403,599,201.20/22,150.16
  6. Step 6: Final answer
    x = 18,221.06

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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.