Home / 13,401.04-20,087.37-4,507.90

Finding the Fourth Proportional to 13,401.04, 20,087.37 and 4,507.90

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Solution

The fourth proportional to 13,401.04, 20,087.37 and 4,507.90 is: 6,757.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401.04 : 20,087.37 = 4,507.90 : x
  2. Step 2: Convert to fraction form
    13,401.04/20,087.37 = 4,507.90/x
  3. Step 3: Cross multiply
    13,401.04x = 20,087.37 × 4,507.90
  4. Step 4: Simplify right side
    13,401.04x = 90,551,832.68
  5. Step 5: Solve for x
    x = 90,551,832.68/13,401.04
  6. Step 6: Final answer
    x = 6,757.08

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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.