Home / 14,435.84-21,653.76-11,811.44

Finding the Fourth Proportional to 14,435.84, 21,653.76 and 11,811.44

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Solution

The fourth proportional to 14,435.84, 21,653.76 and 11,811.44 is: 17,717.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435.84 : 21,653.76 = 11,811.44 : x
  2. Step 2: Convert to fraction form
    14,435.84/21,653.76 = 11,811.44/x
  3. Step 3: Cross multiply
    14,435.84x = 21,653.76 × 11,811.44
  4. Step 4: Simplify right side
    14,435.84x = 255,762,087.01
  5. Step 5: Solve for x
    x = 255,762,087.01/14,435.84
  6. Step 6: Final answer
    x = 17,717.16

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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.