Home / 16,826.06-23,219.68-9,169.43

Finding the Fourth Proportional to 16,826.06, 23,219.68 and 9,169.43

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Solution

The fourth proportional to 16,826.06, 23,219.68 and 9,169.43 is: 12,653.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,826.06 : 23,219.68 = 9,169.43 : x
  2. Step 2: Convert to fraction form
    16,826.06/23,219.68 = 9,169.43/x
  3. Step 3: Cross multiply
    16,826.06x = 23,219.68 × 9,169.43
  4. Step 4: Simplify right side
    16,826.06x = 212,911,299.89
  5. Step 5: Solve for x
    x = 212,911,299.89/16,826.06
  6. Step 6: Final answer
    x = 12,653.66

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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.