Home / 18,130.20-27,175.63-7,033.60

Finding the Fourth Proportional to 18,130.20, 27,175.63 and 7,033.60

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Solution

The fourth proportional to 18,130.20, 27,175.63 and 7,033.60 is: 10,542.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.20 : 27,175.63 = 7,033.60 : x
  2. Step 2: Convert to fraction form
    18,130.20/27,175.63 = 7,033.60/x
  3. Step 3: Cross multiply
    18,130.20x = 27,175.63 × 7,033.60
  4. Step 4: Simplify right side
    18,130.20x = 191,142,511.17
  5. Step 5: Solve for x
    x = 191,142,511.17/18,130.20
  6. Step 6: Final answer
    x = 10,542.77

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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.