Home / 19,085.58-26,338.37-11,530.86

Finding the Fourth Proportional to 19,085.58, 26,338.37 and 11,530.86

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Solution

The fourth proportional to 19,085.58, 26,338.37 and 11,530.86 is: 15,912.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085.58 : 26,338.37 = 11,530.86 : x
  2. Step 2: Convert to fraction form
    19,085.58/26,338.37 = 11,530.86/x
  3. Step 3: Cross multiply
    19,085.58x = 26,338.37 × 11,530.86
  4. Step 4: Simplify right side
    19,085.58x = 303,704,057.10
  5. Step 5: Solve for x
    x = 303,704,057.10/19,085.58
  6. Step 6: Final answer
    x = 15,912.75

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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.