Home / 20,632.72-30,950.16-5,050.48

Finding the Fourth Proportional to 20,632.72, 30,950.16 and 5,050.48

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Solution

The fourth proportional to 20,632.72, 30,950.16 and 5,050.48 is: 7,575.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,632.72 : 30,950.16 = 5,050.48 : x
  2. Step 2: Convert to fraction form
    20,632.72/30,950.16 = 5,050.48/x
  3. Step 3: Cross multiply
    20,632.72x = 30,950.16 × 5,050.48
  4. Step 4: Simplify right side
    20,632.72x = 156,313,164.08
  5. Step 5: Solve for x
    x = 156,313,164.08/20,632.72
  6. Step 6: Final answer
    x = 7,575.98

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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.