Home / 53,791.65-80,687.07-14,351.94

Finding the Fourth Proportional to 53,791.65, 80,687.07 and 14,351.94

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Solution

The fourth proportional to 53,791.65, 80,687.07 and 14,351.94 is: 21,527.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,791.65 : 80,687.07 = 14,351.94 : x
  2. Step 2: Convert to fraction form
    53,791.65/80,687.07 = 14,351.94/x
  3. Step 3: Cross multiply
    53,791.65x = 80,687.07 × 14,351.94
  4. Step 4: Simplify right side
    53,791.65x = 1,158,015,987.42
  5. Step 5: Solve for x
    x = 1,158,015,987.42/53,791.65
  6. Step 6: Final answer
    x = 21,527.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.