Home / 16,431.75-22,652.20-11,707.83

Finding the Fourth Proportional to 16,431.75, 22,652.20 and 11,707.83

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Solution

The fourth proportional to 16,431.75, 22,652.20 and 11,707.83 is: 16,139.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,431.75 : 22,652.20 = 11,707.83 : x
  2. Step 2: Convert to fraction form
    16,431.75/22,652.20 = 11,707.83/x
  3. Step 3: Cross multiply
    16,431.75x = 22,652.20 × 11,707.83
  4. Step 4: Simplify right side
    16,431.75x = 265,208,106.73
  5. Step 5: Solve for x
    x = 265,208,106.73/16,431.75
  6. Step 6: Final answer
    x = 16,139.98

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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.