Home / 30,189.34-41,660.47-18,096.65

Finding the Fourth Proportional to 30,189.34, 41,660.47 and 18,096.65

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Solution

The fourth proportional to 30,189.34, 41,660.47 and 18,096.65 is: 24,972.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,189.34 : 41,660.47 = 18,096.65 : x
  2. Step 2: Convert to fraction form
    30,189.34/41,660.47 = 18,096.65/x
  3. Step 3: Cross multiply
    30,189.34x = 41,660.47 × 18,096.65
  4. Step 4: Simplify right side
    30,189.34x = 753,914,944.43
  5. Step 5: Solve for x
    x = 753,914,944.43/30,189.34
  6. Step 6: Final answer
    x = 24,972.89

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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.