Home / 14,228.84-21,345.99-5,463.06

Finding the Fourth Proportional to 14,228.84, 21,345.99 and 5,463.06

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Solution

The fourth proportional to 14,228.84, 21,345.99 and 5,463.06 is: 8,195.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.84 : 21,345.99 = 5,463.06 : x
  2. Step 2: Convert to fraction form
    14,228.84/21,345.99 = 5,463.06/x
  3. Step 3: Cross multiply
    14,228.84x = 21,345.99 × 5,463.06
  4. Step 4: Simplify right side
    14,228.84x = 116,614,424.13
  5. Step 5: Solve for x
    x = 116,614,424.13/14,228.84
  6. Step 6: Final answer
    x = 8,195.64

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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.