Home / 20,374.41-30,566.21-7,226.76

Finding the Fourth Proportional to 20,374.41, 30,566.21 and 7,226.76

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Solution

The fourth proportional to 20,374.41, 30,566.21 and 7,226.76 is: 10,841.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,374.41 : 30,566.21 = 7,226.76 : x
  2. Step 2: Convert to fraction form
    20,374.41/30,566.21 = 7,226.76/x
  3. Step 3: Cross multiply
    20,374.41x = 30,566.21 × 7,226.76
  4. Step 4: Simplify right side
    20,374.41x = 220,894,627.65
  5. Step 5: Solve for x
    x = 220,894,627.65/20,374.41
  6. Step 6: Final answer
    x = 10,841.77

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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.