Home / 13,963.88-19,270.15-7,997.52

Finding the Fourth Proportional to 13,963.88, 19,270.15 and 7,997.52

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Solution

The fourth proportional to 13,963.88, 19,270.15 and 7,997.52 is: 11,036.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.88 : 19,270.15 = 7,997.52 : x
  2. Step 2: Convert to fraction form
    13,963.88/19,270.15 = 7,997.52/x
  3. Step 3: Cross multiply
    13,963.88x = 19,270.15 × 7,997.52
  4. Step 4: Simplify right side
    13,963.88x = 154,113,390.03
  5. Step 5: Solve for x
    x = 154,113,390.03/13,963.88
  6. Step 6: Final answer
    x = 11,036.58

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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.