Home / 19,896.06-27,449.73-12,339.69

Finding the Fourth Proportional to 19,896.06, 27,449.73 and 12,339.69

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Solution

The fourth proportional to 19,896.06, 27,449.73 and 12,339.69 is: 17,024.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,896.06 : 27,449.73 = 12,339.69 : x
  2. Step 2: Convert to fraction form
    19,896.06/27,449.73 = 12,339.69/x
  3. Step 3: Cross multiply
    19,896.06x = 27,449.73 × 12,339.69
  4. Step 4: Simplify right side
    19,896.06x = 338,721,158.78
  5. Step 5: Solve for x
    x = 338,721,158.78/19,896.06
  6. Step 6: Final answer
    x = 17,024.53

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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.