Home / 18,570.96-27,814.92-14,398.38

Finding the Fourth Proportional to 18,570.96, 27,814.92 and 14,398.38

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Solution

The fourth proportional to 18,570.96, 27,814.92 and 14,398.38 is: 21,565.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.96 : 27,814.92 = 14,398.38 : x
  2. Step 2: Convert to fraction form
    18,570.96/27,814.92 = 14,398.38/x
  3. Step 3: Cross multiply
    18,570.96x = 27,814.92 × 14,398.38
  4. Step 4: Simplify right side
    18,570.96x = 400,489,787.83
  5. Step 5: Solve for x
    x = 400,489,787.83/18,570.96
  6. Step 6: Final answer
    x = 21,565.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.