Home / 16,814.70-23,178.94-13,825.35

Finding the Fourth Proportional to 16,814.70, 23,178.94 and 13,825.35

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Solution

The fourth proportional to 16,814.70, 23,178.94 and 13,825.35 is: 19,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,814.70 : 23,178.94 = 13,825.35 : x
  2. Step 2: Convert to fraction form
    16,814.70/23,178.94 = 13,825.35/x
  3. Step 3: Cross multiply
    16,814.70x = 23,178.94 × 13,825.35
  4. Step 4: Simplify right side
    16,814.70x = 320,456,923.57
  5. Step 5: Solve for x
    x = 320,456,923.57/16,814.70
  6. Step 6: Final answer
    x = 19,058.14

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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.