Home / 13,460.55-20,189.23-3,600.59

Finding the Fourth Proportional to 13,460.55, 20,189.23 and 3,600.59

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Solution

The fourth proportional to 13,460.55, 20,189.23 and 3,600.59 is: 5,400.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.55 : 20,189.23 = 3,600.59 : x
  2. Step 2: Convert to fraction form
    13,460.55/20,189.23 = 3,600.59/x
  3. Step 3: Cross multiply
    13,460.55x = 20,189.23 × 3,600.59
  4. Step 4: Simplify right side
    13,460.55x = 72,693,139.65
  5. Step 5: Solve for x
    x = 72,693,139.65/13,460.55
  6. Step 6: Final answer
    x = 5,400.46

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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.