Home / 13,449.56-20,174.33-3,588.86

Finding the Fourth Proportional to 13,449.56, 20,174.33 and 3,588.86

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Solution

The fourth proportional to 13,449.56, 20,174.33 and 3,588.86 is: 5,383.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449.56 : 20,174.33 = 3,588.86 : x
  2. Step 2: Convert to fraction form
    13,449.56/20,174.33 = 3,588.86/x
  3. Step 3: Cross multiply
    13,449.56x = 20,174.33 × 3,588.86
  4. Step 4: Simplify right side
    13,449.56x = 72,402,878.46
  5. Step 5: Solve for x
    x = 72,402,878.46/13,449.56
  6. Step 6: Final answer
    x = 5,383.29

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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.