Home / 20,560.16-30,847.80-10,034.48

Finding the Fourth Proportional to 20,560.16, 30,847.80 and 10,034.48

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Solution

The fourth proportional to 20,560.16, 30,847.80 and 10,034.48 is: 15,055.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,560.16 : 30,847.80 = 10,034.48 : x
  2. Step 2: Convert to fraction form
    20,560.16/30,847.80 = 10,034.48/x
  3. Step 3: Cross multiply
    20,560.16x = 30,847.80 × 10,034.48
  4. Step 4: Simplify right side
    20,560.16x = 309,541,632.14
  5. Step 5: Solve for x
    x = 309,541,632.14/20,560.16
  6. Step 6: Final answer
    x = 15,055.41

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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.