Home / 19,216.38-26,518.41-12,148.62

Finding the Fourth Proportional to 19,216.38, 26,518.41 and 12,148.62

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Solution

The fourth proportional to 19,216.38, 26,518.41 and 12,148.62 is: 16,764.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.38 : 26,518.41 = 12,148.62 : x
  2. Step 2: Convert to fraction form
    19,216.38/26,518.41 = 12,148.62/x
  3. Step 3: Cross multiply
    19,216.38x = 26,518.41 × 12,148.62
  4. Step 4: Simplify right side
    19,216.38x = 322,162,086.09
  5. Step 5: Solve for x
    x = 322,162,086.09/19,216.38
  6. Step 6: Final answer
    x = 16,764.97

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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.