Home / 14,104.53-21,157.07-4,742.82

Finding the Fourth Proportional to 14,104.53, 21,157.07 and 4,742.82

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Solution

The fourth proportional to 14,104.53, 21,157.07 and 4,742.82 is: 7,114.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.53 : 21,157.07 = 4,742.82 : x
  2. Step 2: Convert to fraction form
    14,104.53/21,157.07 = 4,742.82/x
  3. Step 3: Cross multiply
    14,104.53x = 21,157.07 × 4,742.82
  4. Step 4: Simplify right side
    14,104.53x = 100,344,151.02
  5. Step 5: Solve for x
    x = 100,344,151.02/14,104.53
  6. Step 6: Final answer
    x = 7,114.32

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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.