Home / 13,801.45-20,702.51-5,036.36

Finding the Fourth Proportional to 13,801.45, 20,702.51 and 5,036.36

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Solution

The fourth proportional to 13,801.45, 20,702.51 and 5,036.36 is: 7,554.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.45 : 20,702.51 = 5,036.36 : x
  2. Step 2: Convert to fraction form
    13,801.45/20,702.51 = 5,036.36/x
  3. Step 3: Cross multiply
    13,801.45x = 20,702.51 × 5,036.36
  4. Step 4: Simplify right side
    13,801.45x = 104,265,305.85
  5. Step 5: Solve for x
    x = 104,265,305.85/13,801.45
  6. Step 6: Final answer
    x = 7,554.66

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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.