Home / 18,986.72-26,204.24-14,262.80

Finding the Fourth Proportional to 18,986.72, 26,204.24 and 14,262.80

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Solution

The fourth proportional to 18,986.72, 26,204.24 and 14,262.80 is: 19,684.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,986.72 : 26,204.24 = 14,262.80 : x
  2. Step 2: Convert to fraction form
    18,986.72/26,204.24 = 14,262.80/x
  3. Step 3: Cross multiply
    18,986.72x = 26,204.24 × 14,262.80
  4. Step 4: Simplify right side
    18,986.72x = 373,745,738.91
  5. Step 5: Solve for x
    x = 373,745,738.91/18,986.72
  6. Step 6: Final answer
    x = 19,684.59

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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.