Home / 18,070.98-27,111.38-7,537.52

Finding the Fourth Proportional to 18,070.98, 27,111.38 and 7,537.52

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Solution

The fourth proportional to 18,070.98, 27,111.38 and 7,537.52 is: 11,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.98 : 27,111.38 = 7,537.52 : x
  2. Step 2: Convert to fraction form
    18,070.98/27,111.38 = 7,537.52/x
  3. Step 3: Cross multiply
    18,070.98x = 27,111.38 × 7,537.52
  4. Step 4: Simplify right side
    18,070.98x = 204,352,395.73
  5. Step 5: Solve for x
    x = 204,352,395.73/18,070.98
  6. Step 6: Final answer
    x = 11,308.32

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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.