Home / 13,976.46-19,287.19-8,011.64

Finding the Fourth Proportional to 13,976.46, 19,287.19 and 8,011.64

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Solution

The fourth proportional to 13,976.46, 19,287.19 and 8,011.64 is: 11,055.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.46 : 19,287.19 = 8,011.64 : x
  2. Step 2: Convert to fraction form
    13,976.46/19,287.19 = 8,011.64/x
  3. Step 3: Cross multiply
    13,976.46x = 19,287.19 × 8,011.64
  4. Step 4: Simplify right side
    13,976.46x = 154,522,022.89
  5. Step 5: Solve for x
    x = 154,522,022.89/13,976.46
  6. Step 6: Final answer
    x = 11,055.88

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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.