Home / 13,644.51-20,474.63-5,746.41

Finding the Fourth Proportional to 13,644.51, 20,474.63 and 5,746.41

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Solution

The fourth proportional to 13,644.51, 20,474.63 and 5,746.41 is: 8,622.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644.51 : 20,474.63 = 5,746.41 : x
  2. Step 2: Convert to fraction form
    13,644.51/20,474.63 = 5,746.41/x
  3. Step 3: Cross multiply
    13,644.51x = 20,474.63 × 5,746.41
  4. Step 4: Simplify right side
    13,644.51x = 117,655,589.85
  5. Step 5: Solve for x
    x = 117,655,589.85/13,644.51
  6. Step 6: Final answer
    x = 8,622.93

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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.