Home / 14,359.96-19,818.53-8,072.34

Finding the Fourth Proportional to 14,359.96, 19,818.53 and 8,072.34

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Solution

The fourth proportional to 14,359.96, 19,818.53 and 8,072.34 is: 11,140.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.96 : 19,818.53 = 8,072.34 : x
  2. Step 2: Convert to fraction form
    14,359.96/19,818.53 = 8,072.34/x
  3. Step 3: Cross multiply
    14,359.96x = 19,818.53 × 8,072.34
  4. Step 4: Simplify right side
    14,359.96x = 159,981,912.46
  5. Step 5: Solve for x
    x = 159,981,912.46/14,359.96
  6. Step 6: Final answer
    x = 11,140.83

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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.