Home / 14,617.84-21,917.12-5,253.16

Finding the Fourth Proportional to 14,617.84, 21,917.12 and 5,253.16

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Solution

The fourth proportional to 14,617.84, 21,917.12 and 5,253.16 is: 7,876.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.84 : 21,917.12 = 5,253.16 : x
  2. Step 2: Convert to fraction form
    14,617.84/21,917.12 = 5,253.16/x
  3. Step 3: Cross multiply
    14,617.84x = 21,917.12 × 5,253.16
  4. Step 4: Simplify right side
    14,617.84x = 115,134,138.10
  5. Step 5: Solve for x
    x = 115,134,138.10/14,617.84
  6. Step 6: Final answer
    x = 7,876.28

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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.