Home / 20,597.19-30,868.73-11,716.58

Finding the Fourth Proportional to 20,597.19, 30,868.73 and 11,716.58

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Solution

The fourth proportional to 20,597.19, 30,868.73 and 11,716.58 is: 17,559.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,597.19 : 30,868.73 = 11,716.58 : x
  2. Step 2: Convert to fraction form
    20,597.19/30,868.73 = 11,716.58/x
  3. Step 3: Cross multiply
    20,597.19x = 30,868.73 × 11,716.58
  4. Step 4: Simplify right side
    20,597.19x = 361,676,007.07
  5. Step 5: Solve for x
    x = 361,676,007.07/20,597.19
  6. Step 6: Final answer
    x = 17,559.49

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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.