Home / 16,940.63-23,381.98-11,275.61

Finding the Fourth Proportional to 16,940.63, 23,381.98 and 11,275.61

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Solution

The fourth proportional to 16,940.63, 23,381.98 and 11,275.61 is: 15,562.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,940.63 : 23,381.98 = 11,275.61 : x
  2. Step 2: Convert to fraction form
    16,940.63/23,381.98 = 11,275.61/x
  3. Step 3: Cross multiply
    16,940.63x = 23,381.98 × 11,275.61
  4. Step 4: Simplify right side
    16,940.63x = 263,646,087.51
  5. Step 5: Solve for x
    x = 263,646,087.51/16,940.63
  6. Step 6: Final answer
    x = 15,562.94

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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.