Home / 19,220.74-28,827.51-8,829.94

Finding the Fourth Proportional to 19,220.74, 28,827.51 and 8,829.94

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Solution

The fourth proportional to 19,220.74, 28,827.51 and 8,829.94 is: 13,243.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.74 : 28,827.51 = 8,829.94 : x
  2. Step 2: Convert to fraction form
    19,220.74/28,827.51 = 8,829.94/x
  3. Step 3: Cross multiply
    19,220.74x = 28,827.51 × 8,829.94
  4. Step 4: Simplify right side
    19,220.74x = 254,545,183.65
  5. Step 5: Solve for x
    x = 254,545,183.65/19,220.74
  6. Step 6: Final answer
    x = 13,243.26

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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.