Home / 20,136.24-30,214.26-9,050.76

Finding the Fourth Proportional to 20,136.24, 30,214.26 and 9,050.76

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Solution

The fourth proportional to 20,136.24, 30,214.26 and 9,050.76 is: 13,580.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,136.24 : 30,214.26 = 9,050.76 : x
  2. Step 2: Convert to fraction form
    20,136.24/30,214.26 = 9,050.76/x
  3. Step 3: Cross multiply
    20,136.24x = 30,214.26 × 9,050.76
  4. Step 4: Simplify right side
    20,136.24x = 273,462,015.84
  5. Step 5: Solve for x
    x = 273,462,015.84/20,136.24
  6. Step 6: Final answer
    x = 13,580.59

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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.