Home / 20,123.73-30,050.10-16,433.28

Finding the Fourth Proportional to 20,123.73, 30,050.10 and 16,433.28

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Solution

The fourth proportional to 20,123.73, 30,050.10 and 16,433.28 is: 24,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,123.73 : 30,050.10 = 16,433.28 : x
  2. Step 2: Convert to fraction form
    20,123.73/30,050.10 = 16,433.28/x
  3. Step 3: Cross multiply
    20,123.73x = 30,050.10 × 16,433.28
  4. Step 4: Simplify right side
    20,123.73x = 493,821,707.33
  5. Step 5: Solve for x
    x = 493,821,707.33/20,123.73
  6. Step 6: Final answer
    x = 24,539.27

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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.