Home / 31,597.13-43,584.58-18,842.15

Finding the Fourth Proportional to 31,597.13, 43,584.58 and 18,842.15

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Solution

The fourth proportional to 31,597.13, 43,584.58 and 18,842.15 is: 25,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,597.13 : 43,584.58 = 18,842.15 : x
  2. Step 2: Convert to fraction form
    31,597.13/43,584.58 = 18,842.15/x
  3. Step 3: Cross multiply
    31,597.13x = 43,584.58 × 18,842.15
  4. Step 4: Simplify right side
    31,597.13x = 821,227,194.05
  5. Step 5: Solve for x
    x = 821,227,194.05/31,597.13
  6. Step 6: Final answer
    x = 25,990.56

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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.