Home / 13,448.70-20,173.19-4,090.24

Finding the Fourth Proportional to 13,448.70, 20,173.19 and 4,090.24

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Solution

The fourth proportional to 13,448.70, 20,173.19 and 4,090.24 is: 6,135.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.70 : 20,173.19 = 4,090.24 : x
  2. Step 2: Convert to fraction form
    13,448.70/20,173.19 = 4,090.24/x
  3. Step 3: Cross multiply
    13,448.70x = 20,173.19 × 4,090.24
  4. Step 4: Simplify right side
    13,448.70x = 82,513,188.67
  5. Step 5: Solve for x
    x = 82,513,188.67/13,448.70
  6. Step 6: Final answer
    x = 6,135.40

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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.