Home / 16,438.54-24,640.80-9,040.46

Finding the Fourth Proportional to 16,438.54, 24,640.80 and 9,040.46

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Solution

The fourth proportional to 16,438.54, 24,640.80 and 9,040.46 is: 13,551.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,438.54 : 24,640.80 = 9,040.46 : x
  2. Step 2: Convert to fraction form
    16,438.54/24,640.80 = 9,040.46/x
  3. Step 3: Cross multiply
    16,438.54x = 24,640.80 × 9,040.46
  4. Step 4: Simplify right side
    16,438.54x = 222,764,166.77
  5. Step 5: Solve for x
    x = 222,764,166.77/16,438.54
  6. Step 6: Final answer
    x = 13,551.34

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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.