Home / 22,632.63-31,236.79-13,201.20

Finding the Fourth Proportional to 22,632.63, 31,236.79 and 13,201.20

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Solution

The fourth proportional to 22,632.63, 31,236.79 and 13,201.20 is: 18,219.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,632.63 : 31,236.79 = 13,201.20 : x
  2. Step 2: Convert to fraction form
    22,632.63/31,236.79 = 13,201.20/x
  3. Step 3: Cross multiply
    22,632.63x = 31,236.79 × 13,201.20
  4. Step 4: Simplify right side
    22,632.63x = 412,362,889.96
  5. Step 5: Solve for x
    x = 412,362,889.96/22,632.63
  6. Step 6: Final answer
    x = 18,219.84

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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.