Home / 14,617.96-21,921.84-4,755.40

Finding the Fourth Proportional to 14,617.96, 21,921.84 and 4,755.40

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Solution

The fourth proportional to 14,617.96, 21,921.84 and 4,755.40 is: 7,131.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.96 : 21,921.84 = 4,755.40 : x
  2. Step 2: Convert to fraction form
    14,617.96/21,921.84 = 4,755.40/x
  3. Step 3: Cross multiply
    14,617.96x = 21,921.84 × 4,755.40
  4. Step 4: Simplify right side
    14,617.96x = 104,247,117.94
  5. Step 5: Solve for x
    x = 104,247,117.94/14,617.96
  6. Step 6: Final answer
    x = 7,131.44

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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.