Home / 14,286.08-19,714.66-7,998.56

Finding the Fourth Proportional to 14,286.08, 19,714.66 and 7,998.56

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Solution

The fourth proportional to 14,286.08, 19,714.66 and 7,998.56 is: 11,037.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.08 : 19,714.66 = 7,998.56 : x
  2. Step 2: Convert to fraction form
    14,286.08/19,714.66 = 7,998.56/x
  3. Step 3: Cross multiply
    14,286.08x = 19,714.66 × 7,998.56
  4. Step 4: Simplify right side
    14,286.08x = 157,688,890.89
  5. Step 5: Solve for x
    x = 157,688,890.89/14,286.08
  6. Step 6: Final answer
    x = 11,037.94

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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.