Home / 18,714.96-25,819.88-14,409.36

Finding the Fourth Proportional to 18,714.96, 25,819.88 and 14,409.36

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Solution

The fourth proportional to 18,714.96, 25,819.88 and 14,409.36 is: 19,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714.96 : 25,819.88 = 14,409.36 : x
  2. Step 2: Convert to fraction form
    18,714.96/25,819.88 = 14,409.36/x
  3. Step 3: Cross multiply
    18,714.96x = 25,819.88 × 14,409.36
  4. Step 4: Simplify right side
    18,714.96x = 372,047,874.03
  5. Step 5: Solve for x
    x = 372,047,874.03/18,714.96
  6. Step 6: Final answer
    x = 19,879.70

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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.