Home / 30,174.05-45,222.77-13,533.41

Finding the Fourth Proportional to 30,174.05, 45,222.77 and 13,533.41

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Solution

The fourth proportional to 30,174.05, 45,222.77 and 13,533.41 is: 20,282.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,174.05 : 45,222.77 = 13,533.41 : x
  2. Step 2: Convert to fraction form
    30,174.05/45,222.77 = 13,533.41/x
  3. Step 3: Cross multiply
    30,174.05x = 45,222.77 × 13,533.41
  4. Step 4: Simplify right side
    30,174.05x = 612,017,993.96
  5. Step 5: Solve for x
    x = 612,017,993.96/30,174.05
  6. Step 6: Final answer
    x = 20,282.93

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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.