Home / 18,146.52-27,200.16-7,622.24

Finding the Fourth Proportional to 18,146.52, 27,200.16 and 7,622.24

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Solution

The fourth proportional to 18,146.52, 27,200.16 and 7,622.24 is: 11,425.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.52 : 27,200.16 = 7,622.24 : x
  2. Step 2: Convert to fraction form
    18,146.52/27,200.16 = 7,622.24/x
  3. Step 3: Cross multiply
    18,146.52x = 27,200.16 × 7,622.24
  4. Step 4: Simplify right side
    18,146.52x = 207,326,011.56
  5. Step 5: Solve for x
    x = 207,326,011.56/18,146.52
  6. Step 6: Final answer
    x = 11,425.11

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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.