Home / 30,183.34-41,644.55-18,864.34

Finding the Fourth Proportional to 30,183.34, 41,644.55 and 18,864.34

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Solution

The fourth proportional to 30,183.34, 41,644.55 and 18,864.34 is: 26,027.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,183.34 : 41,644.55 = 18,864.34 : x
  2. Step 2: Convert to fraction form
    30,183.34/41,644.55 = 18,864.34/x
  3. Step 3: Cross multiply
    30,183.34x = 41,644.55 × 18,864.34
  4. Step 4: Simplify right side
    30,183.34x = 785,596,950.35
  5. Step 5: Solve for x
    x = 785,596,950.35/30,183.34
  6. Step 6: Final answer
    x = 26,027.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.