Home / 43,592.09-65,379.51-11,993.99

Finding the Fourth Proportional to 43,592.09, 65,379.51 and 11,993.99

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Solution

The fourth proportional to 43,592.09, 65,379.51 and 11,993.99 is: 17,988.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,592.09 : 65,379.51 = 11,993.99 : x
  2. Step 2: Convert to fraction form
    43,592.09/65,379.51 = 11,993.99/x
  3. Step 3: Cross multiply
    43,592.09x = 65,379.51 × 11,993.99
  4. Step 4: Simplify right side
    43,592.09x = 784,160,862.25
  5. Step 5: Solve for x
    x = 784,160,862.25/43,592.09
  6. Step 6: Final answer
    x = 17,988.61

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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.