Home / 19,616.63-29,428.59-6,469.93

Finding the Fourth Proportional to 19,616.63, 29,428.59 and 6,469.93

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Solution

The fourth proportional to 19,616.63, 29,428.59 and 6,469.93 is: 9,706.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.63 : 29,428.59 = 6,469.93 : x
  2. Step 2: Convert to fraction form
    19,616.63/29,428.59 = 6,469.93/x
  3. Step 3: Cross multiply
    19,616.63x = 29,428.59 × 6,469.93
  4. Step 4: Simplify right side
    19,616.63x = 190,400,770.16
  5. Step 5: Solve for x
    x = 190,400,770.16/19,616.63
  6. Step 6: Final answer
    x = 9,706.09

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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.