Home / 13,600.62-18,770.73-7,632.65

Finding the Fourth Proportional to 13,600.62, 18,770.73 and 7,632.65

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Solution

The fourth proportional to 13,600.62, 18,770.73 and 7,632.65 is: 10,534.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.62 : 18,770.73 = 7,632.65 : x
  2. Step 2: Convert to fraction form
    13,600.62/18,770.73 = 7,632.65/x
  3. Step 3: Cross multiply
    13,600.62x = 18,770.73 × 7,632.65
  4. Step 4: Simplify right side
    13,600.62x = 143,270,412.33
  5. Step 5: Solve for x
    x = 143,270,412.33/13,600.62
  6. Step 6: Final answer
    x = 10,534.11

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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.