Home / 18,588.22-27,843.45-13,587.28

Finding the Fourth Proportional to 18,588.22, 27,843.45 and 13,587.28

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Solution

The fourth proportional to 18,588.22, 27,843.45 and 13,587.28 is: 20,352.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.22 : 27,843.45 = 13,587.28 : x
  2. Step 2: Convert to fraction form
    18,588.22/27,843.45 = 13,587.28/x
  3. Step 3: Cross multiply
    18,588.22x = 27,843.45 × 13,587.28
  4. Step 4: Simplify right side
    18,588.22x = 378,316,751.32
  5. Step 5: Solve for x
    x = 378,316,751.32/18,588.22
  6. Step 6: Final answer
    x = 20,352.50

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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.