Home / 22,055.08-30,436.20-11,983.54

Finding the Fourth Proportional to 22,055.08, 30,436.20 and 11,983.54

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Solution

The fourth proportional to 22,055.08, 30,436.20 and 11,983.54 is: 16,537.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,055.08 : 30,436.20 = 11,983.54 : x
  2. Step 2: Convert to fraction form
    22,055.08/30,436.20 = 11,983.54/x
  3. Step 3: Cross multiply
    22,055.08x = 30,436.20 × 11,983.54
  4. Step 4: Simplify right side
    22,055.08x = 364,733,420.15
  5. Step 5: Solve for x
    x = 364,733,420.15/22,055.08
  6. Step 6: Final answer
    x = 16,537.39

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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.