Home / 20,560.08-30,841.04-5,768.67

Finding the Fourth Proportional to 20,560.08, 30,841.04 and 5,768.67

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Solution

The fourth proportional to 20,560.08, 30,841.04 and 5,768.67 is: 8,653.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,560.08 : 30,841.04 = 5,768.67 : x
  2. Step 2: Convert to fraction form
    20,560.08/30,841.04 = 5,768.67/x
  3. Step 3: Cross multiply
    20,560.08x = 30,841.04 × 5,768.67
  4. Step 4: Simplify right side
    20,560.08x = 177,911,753.37
  5. Step 5: Solve for x
    x = 177,911,753.37/20,560.08
  6. Step 6: Final answer
    x = 8,653.26

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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.