Home / 14,113-21,168.82-3,583.32

Finding the Fourth Proportional to 14,113, 21,168.82 and 3,583.32

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Solution

The fourth proportional to 14,113, 21,168.82 and 3,583.32 is: 5,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113 : 21,168.82 = 3,583.32 : x
  2. Step 2: Convert to fraction form
    14,113/21,168.82 = 3,583.32/x
  3. Step 3: Cross multiply
    14,113x = 21,168.82 × 3,583.32
  4. Step 4: Simplify right side
    14,113x = 75,854,656.08
  5. Step 5: Solve for x
    x = 75,854,656.08/14,113
  6. Step 6: Final answer
    x = 5,374.81

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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.