Home / 19,022.42-28,515.08-7,932.28

Finding the Fourth Proportional to 19,022.42, 28,515.08 and 7,932.28

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Solution

The fourth proportional to 19,022.42, 28,515.08 and 7,932.28 is: 11,890.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.42 : 28,515.08 = 7,932.28 : x
  2. Step 2: Convert to fraction form
    19,022.42/28,515.08 = 7,932.28/x
  3. Step 3: Cross multiply
    19,022.42x = 28,515.08 × 7,932.28
  4. Step 4: Simplify right side
    19,022.42x = 226,189,527.49
  5. Step 5: Solve for x
    x = 226,189,527.49/19,022.42
  6. Step 6: Final answer
    x = 11,890.68

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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.