Home / 13,022.31-19,533.32-3,161.58

Finding the Fourth Proportional to 13,022.31, 19,533.32 and 3,161.58

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Solution

The fourth proportional to 13,022.31, 19,533.32 and 3,161.58 is: 4,742.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.31 : 19,533.32 = 3,161.58 : x
  2. Step 2: Convert to fraction form
    13,022.31/19,533.32 = 3,161.58/x
  3. Step 3: Cross multiply
    13,022.31x = 19,533.32 × 3,161.58
  4. Step 4: Simplify right side
    13,022.31x = 61,756,186.52
  5. Step 5: Solve for x
    x = 61,756,186.52/13,022.31
  6. Step 6: Final answer
    x = 4,742.34

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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.