Home / 16,945.42-23,379.07-10,228.49

Finding the Fourth Proportional to 16,945.42, 23,379.07 and 10,228.49

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Solution

The fourth proportional to 16,945.42, 23,379.07 and 10,228.49 is: 14,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945.42 : 23,379.07 = 10,228.49 : x
  2. Step 2: Convert to fraction form
    16,945.42/23,379.07 = 10,228.49/x
  3. Step 3: Cross multiply
    16,945.42x = 23,379.07 × 10,228.49
  4. Step 4: Simplify right side
    16,945.42x = 239,132,583.70
  5. Step 5: Solve for x
    x = 239,132,583.70/16,945.42
  6. Step 6: Final answer
    x = 14,111.93

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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.