Home / 20,632.46-30,945.25-5,837.72

Finding the Fourth Proportional to 20,632.46, 30,945.25 and 5,837.72

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Solution

The fourth proportional to 20,632.46, 30,945.25 and 5,837.72 is: 8,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,632.46 : 30,945.25 = 5,837.72 : x
  2. Step 2: Convert to fraction form
    20,632.46/30,945.25 = 5,837.72/x
  3. Step 3: Cross multiply
    20,632.46x = 30,945.25 × 5,837.72
  4. Step 4: Simplify right side
    20,632.46x = 180,649,535.51
  5. Step 5: Solve for x
    x = 180,649,535.51/20,632.46
  6. Step 6: Final answer
    x = 8,755.60

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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.