Home / 16,890.96-23,313.06-11,226.18

Finding the Fourth Proportional to 16,890.96, 23,313.06 and 11,226.18

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Solution

The fourth proportional to 16,890.96, 23,313.06 and 11,226.18 is: 15,494.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890.96 : 23,313.06 = 11,226.18 : x
  2. Step 2: Convert to fraction form
    16,890.96/23,313.06 = 11,226.18/x
  3. Step 3: Cross multiply
    16,890.96x = 23,313.06 × 11,226.18
  4. Step 4: Simplify right side
    16,890.96x = 261,716,607.91
  5. Step 5: Solve for x
    x = 261,716,607.91/16,890.96
  6. Step 6: Final answer
    x = 15,494.48

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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.