Home / 13,818.56-19,060.80-11,304.32

Finding the Fourth Proportional to 13,818.56, 19,060.80 and 11,304.32

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Solution

The fourth proportional to 13,818.56, 19,060.80 and 11,304.32 is: 15,592.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.56 : 19,060.80 = 11,304.32 : x
  2. Step 2: Convert to fraction form
    13,818.56/19,060.80 = 11,304.32/x
  3. Step 3: Cross multiply
    13,818.56x = 19,060.80 × 11,304.32
  4. Step 4: Simplify right side
    13,818.56x = 215,469,382.66
  5. Step 5: Solve for x
    x = 215,469,382.66/13,818.56
  6. Step 6: Final answer
    x = 15,592.75

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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.