Home / 13,835.52-19,092.24-7,868.64

Finding the Fourth Proportional to 13,835.52, 19,092.24 and 7,868.64

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Solution

The fourth proportional to 13,835.52, 19,092.24 and 7,868.64 is: 10,858.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.52 : 19,092.24 = 7,868.64 : x
  2. Step 2: Convert to fraction form
    13,835.52/19,092.24 = 7,868.64/x
  3. Step 3: Cross multiply
    13,835.52x = 19,092.24 × 7,868.64
  4. Step 4: Simplify right side
    13,835.52x = 150,229,963.35
  5. Step 5: Solve for x
    x = 150,229,963.35/13,835.52
  6. Step 6: Final answer
    x = 10,858.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.