Home / 20,484.20-30,732.67-7,336.68

Finding the Fourth Proportional to 20,484.20, 30,732.67 and 7,336.68

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Solution

The fourth proportional to 20,484.20, 30,732.67 and 7,336.68 is: 11,007.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484.20 : 30,732.67 = 7,336.68 : x
  2. Step 2: Convert to fraction form
    20,484.20/30,732.67 = 7,336.68/x
  3. Step 3: Cross multiply
    20,484.20x = 30,732.67 × 7,336.68
  4. Step 4: Simplify right side
    20,484.20x = 225,475,774.51
  5. Step 5: Solve for x
    x = 225,475,774.51/20,484.20
  6. Step 6: Final answer
    x = 11,007.30

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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.