Home / 20,867.02-31,305.65-6,076.06

Finding the Fourth Proportional to 20,867.02, 31,305.65 and 6,076.06

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Solution

The fourth proportional to 20,867.02, 31,305.65 and 6,076.06 is: 9,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,867.02 : 31,305.65 = 6,076.06 : x
  2. Step 2: Convert to fraction form
    20,867.02/31,305.65 = 6,076.06/x
  3. Step 3: Cross multiply
    20,867.02x = 31,305.65 × 6,076.06
  4. Step 4: Simplify right side
    20,867.02x = 190,215,007.74
  5. Step 5: Solve for x
    x = 190,215,007.74/20,867.02
  6. Step 6: Final answer
    x = 9,115.58

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1.5x scale

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.