Home / 19,020.24-28,535.31-7,329.60

Finding the Fourth Proportional to 19,020.24, 28,535.31 and 7,329.60

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Solution

The fourth proportional to 19,020.24, 28,535.31 and 7,329.60 is: 10,996.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.24 : 28,535.31 = 7,329.60 : x
  2. Step 2: Convert to fraction form
    19,020.24/28,535.31 = 7,329.60/x
  3. Step 3: Cross multiply
    19,020.24x = 28,535.31 × 7,329.60
  4. Step 4: Simplify right side
    19,020.24x = 209,152,408.18
  5. Step 5: Solve for x
    x = 209,152,408.18/19,020.24
  6. Step 6: Final answer
    x = 10,996.31

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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.