Home / 16,261.08-22,418.01-10,289.76

Finding the Fourth Proportional to 16,261.08, 22,418.01 and 10,289.76

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Solution

The fourth proportional to 16,261.08, 22,418.01 and 10,289.76 is: 14,185.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,261.08 : 22,418.01 = 10,289.76 : x
  2. Step 2: Convert to fraction form
    16,261.08/22,418.01 = 10,289.76/x
  3. Step 3: Cross multiply
    16,261.08x = 22,418.01 × 10,289.76
  4. Step 4: Simplify right side
    16,261.08x = 230,675,942.58
  5. Step 5: Solve for x
    x = 230,675,942.58/16,261.08
  6. Step 6: Final answer
    x = 14,185.77

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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.