Home / 36,456.75-54,685.13-11,832.75

Finding the Fourth Proportional to 36,456.75, 54,685.13 and 11,832.75

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Solution

The fourth proportional to 36,456.75, 54,685.13 and 11,832.75 is: 17,749.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,456.75 : 54,685.13 = 11,832.75 : x
  2. Step 2: Convert to fraction form
    36,456.75/54,685.13 = 11,832.75/x
  3. Step 3: Cross multiply
    36,456.75x = 54,685.13 × 11,832.75
  4. Step 4: Simplify right side
    36,456.75x = 647,075,412.84
  5. Step 5: Solve for x
    x = 647,075,412.84/36,456.75
  6. Step 6: Final answer
    x = 17,749.13

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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.