Home / 16,243.02-22,415.36-8,791.02

Finding the Fourth Proportional to 16,243.02, 22,415.36 and 8,791.02

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Solution

The fourth proportional to 16,243.02, 22,415.36 and 8,791.02 is: 12,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,243.02 : 22,415.36 = 8,791.02 : x
  2. Step 2: Convert to fraction form
    16,243.02/22,415.36 = 8,791.02/x
  3. Step 3: Cross multiply
    16,243.02x = 22,415.36 × 8,791.02
  4. Step 4: Simplify right side
    16,243.02x = 197,053,878.07
  5. Step 5: Solve for x
    x = 197,053,878.07/16,243.02
  6. Step 6: Final answer
    x = 12,131.60

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1.5x scale

Why These Related Problems?

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