Home / 20,063.86-27,688.98-11,111.34

Finding the Fourth Proportional to 20,063.86, 27,688.98 and 11,111.34

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Solution

The fourth proportional to 20,063.86, 27,688.98 and 11,111.34 is: 15,334.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.86 : 27,688.98 = 11,111.34 : x
  2. Step 2: Convert to fraction form
    20,063.86/27,688.98 = 11,111.34/x
  3. Step 3: Cross multiply
    20,063.86x = 27,688.98 × 11,111.34
  4. Step 4: Simplify right side
    20,063.86x = 307,661,671.03
  5. Step 5: Solve for x
    x = 307,661,671.03/20,063.86
  6. Step 6: Final answer
    x = 15,334.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.