Home / 19,283.33-28,845.01-18,102.35

Finding the Fourth Proportional to 19,283.33, 28,845.01 and 18,102.35

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Solution

The fourth proportional to 19,283.33, 28,845.01 and 18,102.35 is: 27,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,283.33 : 28,845.01 = 18,102.35 : x
  2. Step 2: Convert to fraction form
    19,283.33/28,845.01 = 18,102.35/x
  3. Step 3: Cross multiply
    19,283.33x = 28,845.01 × 18,102.35
  4. Step 4: Simplify right side
    19,283.33x = 522,162,561.51
  5. Step 5: Solve for x
    x = 522,162,561.51/19,283.33
  6. Step 6: Final answer
    x = 27,078.44

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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.