Home / 14,101.26-21,154.32-4,742.16

Finding the Fourth Proportional to 14,101.26, 21,154.32 and 4,742.16

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Solution

The fourth proportional to 14,101.26, 21,154.32 and 4,742.16 is: 7,114.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.26 : 21,154.32 = 4,742.16 : x
  2. Step 2: Convert to fraction form
    14,101.26/21,154.32 = 4,742.16/x
  3. Step 3: Cross multiply
    14,101.26x = 21,154.32 × 4,742.16
  4. Step 4: Simplify right side
    14,101.26x = 100,317,170.13
  5. Step 5: Solve for x
    x = 100,317,170.13/14,101.26
  6. Step 6: Final answer
    x = 7,114.06

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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.