Home / 23,027.87-34,362.21-20,545.63

Finding the Fourth Proportional to 23,027.87, 34,362.21 and 20,545.63

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Solution

The fourth proportional to 23,027.87, 34,362.21 and 20,545.63 is: 30,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,027.87 : 34,362.21 = 20,545.63 : x
  2. Step 2: Convert to fraction form
    23,027.87/34,362.21 = 20,545.63/x
  3. Step 3: Cross multiply
    23,027.87x = 34,362.21 × 20,545.63
  4. Step 4: Simplify right side
    23,027.87x = 705,993,243.78
  5. Step 5: Solve for x
    x = 705,993,243.78/23,027.87
  6. Step 6: Final answer
    x = 30,658.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.