Home / 14,339.64-19,789.68-7,967.16

Finding the Fourth Proportional to 14,339.64, 19,789.68 and 7,967.16

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Solution

The fourth proportional to 14,339.64, 19,789.68 and 7,967.16 is: 10,995.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.64 : 19,789.68 = 7,967.16 : x
  2. Step 2: Convert to fraction form
    14,339.64/19,789.68 = 7,967.16/x
  3. Step 3: Cross multiply
    14,339.64x = 19,789.68 × 7,967.16
  4. Step 4: Simplify right side
    14,339.64x = 157,667,546.91
  5. Step 5: Solve for x
    x = 157,667,546.91/14,339.64
  6. Step 6: Final answer
    x = 10,995.22

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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.