Home / 13,736.90-20,607.41-4,973.87

Finding the Fourth Proportional to 13,736.90, 20,607.41 and 4,973.87

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Solution

The fourth proportional to 13,736.90, 20,607.41 and 4,973.87 is: 7,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.90 : 20,607.41 = 4,973.87 : x
  2. Step 2: Convert to fraction form
    13,736.90/20,607.41 = 4,973.87/x
  3. Step 3: Cross multiply
    13,736.90x = 20,607.41 × 4,973.87
  4. Step 4: Simplify right side
    13,736.90x = 102,498,578.38
  5. Step 5: Solve for x
    x = 102,498,578.38/13,736.90
  6. Step 6: Final answer
    x = 7,461.55

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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.