Home / 16,721.37-23,091.11-10,763.39

Finding the Fourth Proportional to 16,721.37, 23,091.11 and 10,763.39

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Solution

The fourth proportional to 16,721.37, 23,091.11 and 10,763.39 is: 14,863.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.37 : 23,091.11 = 10,763.39 : x
  2. Step 2: Convert to fraction form
    16,721.37/23,091.11 = 10,763.39/x
  3. Step 3: Cross multiply
    16,721.37x = 23,091.11 × 10,763.39
  4. Step 4: Simplify right side
    16,721.37x = 248,538,666.74
  5. Step 5: Solve for x
    x = 248,538,666.74/16,721.37
  6. Step 6: Final answer
    x = 14,863.53

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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.