Home / 20,632.11-30,943.50-5,837.05

Finding the Fourth Proportional to 20,632.11, 30,943.50 and 5,837.05

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Solution

The fourth proportional to 20,632.11, 30,943.50 and 5,837.05 is: 8,754.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,632.11 : 30,943.50 = 5,837.05 : x
  2. Step 2: Convert to fraction form
    20,632.11/30,943.50 = 5,837.05/x
  3. Step 3: Cross multiply
    20,632.11x = 30,943.50 × 5,837.05
  4. Step 4: Simplify right side
    20,632.11x = 180,618,756.68
  5. Step 5: Solve for x
    x = 180,618,756.68/20,632.11
  6. Step 6: Final answer
    x = 8,754.26

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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.