Home / 19,448.30-26,838.44-11,490.36

Finding the Fourth Proportional to 19,448.30, 26,838.44 and 11,490.36

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Solution

The fourth proportional to 19,448.30, 26,838.44 and 11,490.36 is: 15,856.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,448.30 : 26,838.44 = 11,490.36 : x
  2. Step 2: Convert to fraction form
    19,448.30/26,838.44 = 11,490.36/x
  3. Step 3: Cross multiply
    19,448.30x = 26,838.44 × 11,490.36
  4. Step 4: Simplify right side
    19,448.30x = 308,383,222.43
  5. Step 5: Solve for x
    x = 308,383,222.43/19,448.30
  6. Step 6: Final answer
    x = 15,856.56

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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.