Home / 18,587.48-27,876.96-11,093.15

Finding the Fourth Proportional to 18,587.48, 27,876.96 and 11,093.15

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Solution

The fourth proportional to 18,587.48, 27,876.96 and 11,093.15 is: 16,637.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.48 : 27,876.96 = 11,093.15 : x
  2. Step 2: Convert to fraction form
    18,587.48/27,876.96 = 11,093.15/x
  3. Step 3: Cross multiply
    18,587.48x = 27,876.96 × 11,093.15
  4. Step 4: Simplify right side
    18,587.48x = 309,243,368.52
  5. Step 5: Solve for x
    x = 309,243,368.52/18,587.48
  6. Step 6: Final answer
    x = 16,637.19

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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.