Home / 19,514.32-26,921.46-12,439.24

Finding the Fourth Proportional to 19,514.32, 26,921.46 and 12,439.24

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Solution

The fourth proportional to 19,514.32, 26,921.46 and 12,439.24 is: 17,160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,514.32 : 26,921.46 = 12,439.24 : x
  2. Step 2: Convert to fraction form
    19,514.32/26,921.46 = 12,439.24/x
  3. Step 3: Cross multiply
    19,514.32x = 26,921.46 × 12,439.24
  4. Step 4: Simplify right side
    19,514.32x = 334,882,502.09
  5. Step 5: Solve for x
    x = 334,882,502.09/19,514.32
  6. Step 6: Final answer
    x = 17,160.86

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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.