Home / 27,415.54-41,110.34-12,620.08

Finding the Fourth Proportional to 27,415.54, 41,110.34 and 12,620.08

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Solution

The fourth proportional to 27,415.54, 41,110.34 and 12,620.08 is: 18,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,415.54 : 41,110.34 = 12,620.08 : x
  2. Step 2: Convert to fraction form
    27,415.54/41,110.34 = 12,620.08/x
  3. Step 3: Cross multiply
    27,415.54x = 41,110.34 × 12,620.08
  4. Step 4: Simplify right side
    27,415.54x = 518,815,779.63
  5. Step 5: Solve for x
    x = 518,815,779.63/27,415.54
  6. Step 6: Final answer
    x = 18,924.15

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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.