Home / 20,346.99-30,523.55-7,199.49

Finding the Fourth Proportional to 20,346.99, 30,523.55 and 7,199.49

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Solution

The fourth proportional to 20,346.99, 30,523.55 and 7,199.49 is: 10,800.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346.99 : 30,523.55 = 7,199.49 : x
  2. Step 2: Convert to fraction form
    20,346.99/30,523.55 = 7,199.49/x
  3. Step 3: Cross multiply
    20,346.99x = 30,523.55 × 7,199.49
  4. Step 4: Simplify right side
    20,346.99x = 219,753,956.99
  5. Step 5: Solve for x
    x = 219,753,956.99/20,346.99
  6. Step 6: Final answer
    x = 10,800.32

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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.