Home / 14,564.40-21,832.20-5,787.60

Finding the Fourth Proportional to 14,564.40, 21,832.20 and 5,787.60

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Solution

The fourth proportional to 14,564.40, 21,832.20 and 5,787.60 is: 8,675.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,564.40 : 21,832.20 = 5,787.60 : x
  2. Step 2: Convert to fraction form
    14,564.40/21,832.20 = 5,787.60/x
  3. Step 3: Cross multiply
    14,564.40x = 21,832.20 × 5,787.60
  4. Step 4: Simplify right side
    14,564.40x = 126,356,040.72
  5. Step 5: Solve for x
    x = 126,356,040.72/14,564.40
  6. Step 6: Final answer
    x = 8,675.68

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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.