Home / 19,966.36-27,562.44-12,896.23

Finding the Fourth Proportional to 19,966.36, 27,562.44 and 12,896.23

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Solution

The fourth proportional to 19,966.36, 27,562.44 and 12,896.23 is: 17,802.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.36 : 27,562.44 = 12,896.23 : x
  2. Step 2: Convert to fraction form
    19,966.36/27,562.44 = 12,896.23/x
  3. Step 3: Cross multiply
    19,966.36x = 27,562.44 × 12,896.23
  4. Step 4: Simplify right side
    19,966.36x = 355,451,586.15
  5. Step 5: Solve for x
    x = 355,451,586.15/19,966.36
  6. Step 6: Final answer
    x = 17,802.52

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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.