Home / 19,052.72-28,579.88-5,905.36

Finding the Fourth Proportional to 19,052.72, 28,579.88 and 5,905.36

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Solution

The fourth proportional to 19,052.72, 28,579.88 and 5,905.36 is: 8,858.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,052.72 : 28,579.88 = 5,905.36 : x
  2. Step 2: Convert to fraction form
    19,052.72/28,579.88 = 5,905.36/x
  3. Step 3: Cross multiply
    19,052.72x = 28,579.88 × 5,905.36
  4. Step 4: Simplify right side
    19,052.72x = 168,774,480.16
  5. Step 5: Solve for x
    x = 168,774,480.16/19,052.72
  6. Step 6: Final answer
    x = 8,858.29

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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.