Home / 20,047.23-30,074.29-6,896.48

Finding the Fourth Proportional to 20,047.23, 30,074.29 and 6,896.48

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Solution

The fourth proportional to 20,047.23, 30,074.29 and 6,896.48 is: 10,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,047.23 : 30,074.29 = 6,896.48 : x
  2. Step 2: Convert to fraction form
    20,047.23/30,074.29 = 6,896.48/x
  3. Step 3: Cross multiply
    20,047.23x = 30,074.29 × 6,896.48
  4. Step 4: Simplify right side
    20,047.23x = 207,406,571.89
  5. Step 5: Solve for x
    x = 207,406,571.89/20,047.23
  6. Step 6: Final answer
    x = 10,345.90

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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.