Home / 19,036.08-28,549.51-7,942.86

Finding the Fourth Proportional to 19,036.08, 28,549.51 and 7,942.86

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Solution

The fourth proportional to 19,036.08, 28,549.51 and 7,942.86 is: 11,912.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,036.08 : 28,549.51 = 7,942.86 : x
  2. Step 2: Convert to fraction form
    19,036.08/28,549.51 = 7,942.86/x
  3. Step 3: Cross multiply
    19,036.08x = 28,549.51 × 7,942.86
  4. Step 4: Simplify right side
    19,036.08x = 226,764,761.00
  5. Step 5: Solve for x
    x = 226,764,761.00/19,036.08
  6. Step 6: Final answer
    x = 11,912.37

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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.