Home / 19,147.30-28,720.96-6,000.70

Finding the Fourth Proportional to 19,147.30, 28,720.96 and 6,000.70

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Solution

The fourth proportional to 19,147.30, 28,720.96 and 6,000.70 is: 9,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.30 : 28,720.96 = 6,000.70 : x
  2. Step 2: Convert to fraction form
    19,147.30/28,720.96 = 6,000.70/x
  3. Step 3: Cross multiply
    19,147.30x = 28,720.96 × 6,000.70
  4. Step 4: Simplify right side
    19,147.30x = 172,345,721.07
  5. Step 5: Solve for x
    x = 172,345,721.07/19,147.30
  6. Step 6: Final answer
    x = 9,001.05

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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.