Home / 19,147.05-28,720.59-6,000.44

Finding the Fourth Proportional to 19,147.05, 28,720.59 and 6,000.44

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Solution

The fourth proportional to 19,147.05, 28,720.59 and 6,000.44 is: 9,000.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.05 : 28,720.59 = 6,000.44 : x
  2. Step 2: Convert to fraction form
    19,147.05/28,720.59 = 6,000.44/x
  3. Step 3: Cross multiply
    19,147.05x = 28,720.59 × 6,000.44
  4. Step 4: Simplify right side
    19,147.05x = 172,336,248.86
  5. Step 5: Solve for x
    x = 172,336,248.86/19,147.05
  6. Step 6: Final answer
    x = 9,000.67

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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.