Home / 19,398.52-26,768.68-11,440.36

Finding the Fourth Proportional to 19,398.52, 26,768.68 and 11,440.36

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Solution

The fourth proportional to 19,398.52, 26,768.68 and 11,440.36 is: 15,786.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398.52 : 26,768.68 = 11,440.36 : x
  2. Step 2: Convert to fraction form
    19,398.52/26,768.68 = 11,440.36/x
  3. Step 3: Cross multiply
    19,398.52x = 26,768.68 × 11,440.36
  4. Step 4: Simplify right side
    19,398.52x = 306,243,335.92
  5. Step 5: Solve for x
    x = 306,243,335.92/19,398.52
  6. Step 6: Final answer
    x = 15,786.94

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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.