Home / 16,106.85-22,219.80-10,731.79

Finding the Fourth Proportional to 16,106.85, 22,219.80 and 10,731.79

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Solution

The fourth proportional to 16,106.85, 22,219.80 and 10,731.79 is: 14,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,106.85 : 22,219.80 = 10,731.79 : x
  2. Step 2: Convert to fraction form
    16,106.85/22,219.80 = 10,731.79/x
  3. Step 3: Cross multiply
    16,106.85x = 22,219.80 × 10,731.79
  4. Step 4: Simplify right side
    16,106.85x = 238,458,227.44
  5. Step 5: Solve for x
    x = 238,458,227.44/16,106.85
  6. Step 6: Final answer
    x = 14,804.77

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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.