Home / 19,672.35-27,147.46-10,719.91

Finding the Fourth Proportional to 19,672.35, 27,147.46 and 10,719.91

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Solution

The fourth proportional to 19,672.35, 27,147.46 and 10,719.91 is: 14,793.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.35 : 27,147.46 = 10,719.91 : x
  2. Step 2: Convert to fraction form
    19,672.35/27,147.46 = 10,719.91/x
  3. Step 3: Cross multiply
    19,672.35x = 27,147.46 × 10,719.91
  4. Step 4: Simplify right side
    19,672.35x = 291,018,327.93
  5. Step 5: Solve for x
    x = 291,018,327.93/19,672.35
  6. Step 6: Final answer
    x = 14,793.27

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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.