Home / 20,866.95-31,305.56-6,076.01

Finding the Fourth Proportional to 20,866.95, 31,305.56 and 6,076.01

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Solution

The fourth proportional to 20,866.95, 31,305.56 and 6,076.01 is: 9,115.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,866.95 : 31,305.56 = 6,076.01 : x
  2. Step 2: Convert to fraction form
    20,866.95/31,305.56 = 6,076.01/x
  3. Step 3: Cross multiply
    20,866.95x = 31,305.56 × 6,076.01
  4. Step 4: Simplify right side
    20,866.95x = 190,212,832.54
  5. Step 5: Solve for x
    x = 190,212,832.54/20,866.95
  6. Step 6: Final answer
    x = 9,115.51

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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.