Home / 27,580.12-41,370.63-13,340.32

Finding the Fourth Proportional to 27,580.12, 41,370.63 and 13,340.32

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Solution

The fourth proportional to 27,580.12, 41,370.63 and 13,340.32 is: 20,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,580.12 : 41,370.63 = 13,340.32 : x
  2. Step 2: Convert to fraction form
    27,580.12/41,370.63 = 13,340.32/x
  3. Step 3: Cross multiply
    27,580.12x = 41,370.63 × 13,340.32
  4. Step 4: Simplify right side
    27,580.12x = 551,897,364.39
  5. Step 5: Solve for x
    x = 551,897,364.39/27,580.12
  6. Step 6: Final answer
    x = 20,010.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.