Home / 14,721.71-22,084.39-4,727.12

Finding the Fourth Proportional to 14,721.71, 22,084.39 and 4,727.12

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Solution

The fourth proportional to 14,721.71, 22,084.39 and 4,727.12 is: 7,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,721.71 : 22,084.39 = 4,727.12 : x
  2. Step 2: Convert to fraction form
    14,721.71/22,084.39 = 4,727.12/x
  3. Step 3: Cross multiply
    14,721.71x = 22,084.39 × 4,727.12
  4. Step 4: Simplify right side
    14,721.71x = 104,395,561.66
  5. Step 5: Solve for x
    x = 104,395,561.66/14,721.71
  6. Step 6: Final answer
    x = 7,091.27

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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.