Home / 12,032.31-18,043.84-4,133.36

Finding the Fourth Proportional to 12,032.31, 18,043.84 and 4,133.36

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Solution

The fourth proportional to 12,032.31, 18,043.84 and 4,133.36 is: 6,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,032.31 : 18,043.84 = 4,133.36 : x
  2. Step 2: Convert to fraction form
    12,032.31/18,043.84 = 4,133.36/x
  3. Step 3: Cross multiply
    12,032.31x = 18,043.84 × 4,133.36
  4. Step 4: Simplify right side
    12,032.31x = 74,581,686.50
  5. Step 5: Solve for x
    x = 74,581,686.50/12,032.31
  6. Step 6: Final answer
    x = 6,198.45

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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.