Home / 13,742.37-20,614.41-4,977.36

Finding the Fourth Proportional to 13,742.37, 20,614.41 and 4,977.36

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Solution

The fourth proportional to 13,742.37, 20,614.41 and 4,977.36 is: 7,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742.37 : 20,614.41 = 4,977.36 : x
  2. Step 2: Convert to fraction form
    13,742.37/20,614.41 = 4,977.36/x
  3. Step 3: Cross multiply
    13,742.37x = 20,614.41 × 4,977.36
  4. Step 4: Simplify right side
    13,742.37x = 102,605,339.76
  5. Step 5: Solve for x
    x = 102,605,339.76/13,742.37
  6. Step 6: Final answer
    x = 7,466.35

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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.