Home / 19,231.92-26,542.45-11,677.76

Finding the Fourth Proportional to 19,231.92, 26,542.45 and 11,677.76

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Solution

The fourth proportional to 19,231.92, 26,542.45 and 11,677.76 is: 16,116.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,231.92 : 26,542.45 = 11,677.76 : x
  2. Step 2: Convert to fraction form
    19,231.92/26,542.45 = 11,677.76/x
  3. Step 3: Cross multiply
    19,231.92x = 26,542.45 × 11,677.76
  4. Step 4: Simplify right side
    19,231.92x = 309,956,360.91
  5. Step 5: Solve for x
    x = 309,956,360.91/19,231.92
  6. Step 6: Final answer
    x = 16,116.77

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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.