Home / 16,940.39-23,381.63-11,275.36

Finding the Fourth Proportional to 16,940.39, 23,381.63 and 11,275.36

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Solution

The fourth proportional to 16,940.39, 23,381.63 and 11,275.36 is: 15,562.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,940.39 : 23,381.63 = 11,275.36 : x
  2. Step 2: Convert to fraction form
    16,940.39/23,381.63 = 11,275.36/x
  3. Step 3: Cross multiply
    16,940.39x = 23,381.63 × 11,275.36
  4. Step 4: Simplify right side
    16,940.39x = 263,636,265.37
  5. Step 5: Solve for x
    x = 263,636,265.37/16,940.39
  6. Step 6: Final answer
    x = 15,562.59

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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.