Home / 13,963.25-19,267.67-7,994.57

Finding the Fourth Proportional to 13,963.25, 19,267.67 and 7,994.57

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Solution

The fourth proportional to 13,963.25, 19,267.67 and 7,994.57 is: 11,031.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.25 : 19,267.67 = 7,994.57 : x
  2. Step 2: Convert to fraction form
    13,963.25/19,267.67 = 7,994.57/x
  3. Step 3: Cross multiply
    13,963.25x = 19,267.67 × 7,994.57
  4. Step 4: Simplify right side
    13,963.25x = 154,036,660.20
  5. Step 5: Solve for x
    x = 154,036,660.20/13,963.25
  6. Step 6: Final answer
    x = 11,031.57

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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.