Home / 16,055.78-22,156.65-8,982.26

Finding the Fourth Proportional to 16,055.78, 22,156.65 and 8,982.26

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Solution

The fourth proportional to 16,055.78, 22,156.65 and 8,982.26 is: 12,395.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,055.78 : 22,156.65 = 8,982.26 : x
  2. Step 2: Convert to fraction form
    16,055.78/22,156.65 = 8,982.26/x
  3. Step 3: Cross multiply
    16,055.78x = 22,156.65 × 8,982.26
  4. Step 4: Simplify right side
    16,055.78x = 199,016,791.03
  5. Step 5: Solve for x
    x = 199,016,791.03/16,055.78
  6. Step 6: Final answer
    x = 12,395.34

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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.