Home / 19,788.96-27,308.80-10,714.42

Finding the Fourth Proportional to 19,788.96, 27,308.80 and 10,714.42

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Solution

The fourth proportional to 19,788.96, 27,308.80 and 10,714.42 is: 14,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.96 : 27,308.80 = 10,714.42 : x
  2. Step 2: Convert to fraction form
    19,788.96/27,308.80 = 10,714.42/x
  3. Step 3: Cross multiply
    19,788.96x = 27,308.80 × 10,714.42
  4. Step 4: Simplify right side
    19,788.96x = 292,597,952.90
  5. Step 5: Solve for x
    x = 292,597,952.90/19,788.96
  6. Step 6: Final answer
    x = 14,785.92

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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.