Home / 19,300.33-28,964.31-8,214.80

Finding the Fourth Proportional to 19,300.33, 28,964.31 and 8,214.80

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Solution

The fourth proportional to 19,300.33, 28,964.31 and 8,214.80 is: 12,328.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300.33 : 28,964.31 = 8,214.80 : x
  2. Step 2: Convert to fraction form
    19,300.33/28,964.31 = 8,214.80/x
  3. Step 3: Cross multiply
    19,300.33x = 28,964.31 × 8,214.80
  4. Step 4: Simplify right side
    19,300.33x = 237,936,013.79
  5. Step 5: Solve for x
    x = 237,936,013.79/19,300.33
  6. Step 6: Final answer
    x = 12,328.08

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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.