Home / 16,469.51-24,706.69-4,781.21

Finding the Fourth Proportional to 16,469.51, 24,706.69 and 4,781.21

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Solution

The fourth proportional to 16,469.51, 24,706.69 and 4,781.21 is: 7,172.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,469.51 : 24,706.69 = 4,781.21 : x
  2. Step 2: Convert to fraction form
    16,469.51/24,706.69 = 4,781.21/x
  3. Step 3: Cross multiply
    16,469.51x = 24,706.69 × 4,781.21
  4. Step 4: Simplify right side
    16,469.51x = 118,127,737.81
  5. Step 5: Solve for x
    x = 118,127,737.81/16,469.51
  6. Step 6: Final answer
    x = 7,172.51

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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.