Home / 30,191.26-45,272.45-11,202.86

Finding the Fourth Proportional to 30,191.26, 45,272.45 and 11,202.86

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Solution

The fourth proportional to 30,191.26, 45,272.45 and 11,202.86 is: 16,798.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191.26 : 45,272.45 = 11,202.86 : x
  2. Step 2: Convert to fraction form
    30,191.26/45,272.45 = 11,202.86/x
  3. Step 3: Cross multiply
    30,191.26x = 45,272.45 × 11,202.86
  4. Step 4: Simplify right side
    30,191.26x = 507,180,919.21
  5. Step 5: Solve for x
    x = 507,180,919.21/30,191.26
  6. Step 6: Final answer
    x = 16,798.93

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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.