Home / 19,015.56-28,527.66-7,329.42

Finding the Fourth Proportional to 19,015.56, 28,527.66 and 7,329.42

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Solution

The fourth proportional to 19,015.56, 28,527.66 and 7,329.42 is: 10,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.56 : 28,527.66 = 7,329.42 : x
  2. Step 2: Convert to fraction form
    19,015.56/28,527.66 = 7,329.42/x
  3. Step 3: Cross multiply
    19,015.56x = 28,527.66 × 7,329.42
  4. Step 4: Simplify right side
    19,015.56x = 209,091,201.76
  5. Step 5: Solve for x
    x = 209,091,201.76/19,015.56
  6. Step 6: Final answer
    x = 10,995.80

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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.