Home / 13,963.41-19,269.50-7,994.79

Finding the Fourth Proportional to 13,963.41, 19,269.50 and 7,994.79

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Solution

The fourth proportional to 13,963.41, 19,269.50 and 7,994.79 is: 11,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.41 : 19,269.50 = 7,994.79 : x
  2. Step 2: Convert to fraction form
    13,963.41/19,269.50 = 7,994.79/x
  3. Step 3: Cross multiply
    13,963.41x = 19,269.50 × 7,994.79
  4. Step 4: Simplify right side
    13,963.41x = 154,055,565.93
  5. Step 5: Solve for x
    x = 154,055,565.93/13,963.41
  6. Step 6: Final answer
    x = 11,032.80

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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.