Home / 15,150.52-22,702.74-13,579.96

Finding the Fourth Proportional to 15,150.52, 22,702.74 and 13,579.96

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Solution

The fourth proportional to 15,150.52, 22,702.74 and 13,579.96 is: 20,349.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150.52 : 22,702.74 = 13,579.96 : x
  2. Step 2: Convert to fraction form
    15,150.52/22,702.74 = 13,579.96/x
  3. Step 3: Cross multiply
    15,150.52x = 22,702.74 × 13,579.96
  4. Step 4: Simplify right side
    15,150.52x = 308,302,301.09
  5. Step 5: Solve for x
    x = 308,302,301.09/15,150.52
  6. Step 6: Final answer
    x = 20,349.29

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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.