Home / 14,100.88-21,154.58-4,742.16

Finding the Fourth Proportional to 14,100.88, 21,154.58 and 4,742.16

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Solution

The fourth proportional to 14,100.88, 21,154.58 and 4,742.16 is: 7,114.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.88 : 21,154.58 = 4,742.16 : x
  2. Step 2: Convert to fraction form
    14,100.88/21,154.58 = 4,742.16/x
  3. Step 3: Cross multiply
    14,100.88x = 21,154.58 × 4,742.16
  4. Step 4: Simplify right side
    14,100.88x = 100,318,403.09
  5. Step 5: Solve for x
    x = 100,318,403.09/14,100.88
  6. Step 6: Final answer
    x = 7,114.34

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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.