Home / 30,189.07-41,633.61-18,859.60

Finding the Fourth Proportional to 30,189.07, 41,633.61 and 18,859.60

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Solution

The fourth proportional to 30,189.07, 41,633.61 and 18,859.60 is: 26,009.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,189.07 : 41,633.61 = 18,859.60 : x
  2. Step 2: Convert to fraction form
    30,189.07/41,633.61 = 18,859.60/x
  3. Step 3: Cross multiply
    30,189.07x = 41,633.61 × 18,859.60
  4. Step 4: Simplify right side
    30,189.07x = 785,193,231.16
  5. Step 5: Solve for x
    x = 785,193,231.16/30,189.07
  6. Step 6: Final answer
    x = 26,009.19

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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.