Home / 19,449.87-26,840.36-11,896.28

Finding the Fourth Proportional to 19,449.87, 26,840.36 and 11,896.28

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Solution

The fourth proportional to 19,449.87, 26,840.36 and 11,896.28 is: 16,416.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,449.87 : 26,840.36 = 11,896.28 : x
  2. Step 2: Convert to fraction form
    19,449.87/26,840.36 = 11,896.28/x
  3. Step 3: Cross multiply
    19,449.87x = 26,840.36 × 11,896.28
  4. Step 4: Simplify right side
    19,449.87x = 319,300,244.18
  5. Step 5: Solve for x
    x = 319,300,244.18/19,449.87
  6. Step 6: Final answer
    x = 16,416.57

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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.