Home / 13,627.93-20,401.15-8,346.31

Finding the Fourth Proportional to 13,627.93, 20,401.15 and 8,346.31

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Solution

The fourth proportional to 13,627.93, 20,401.15 and 8,346.31 is: 12,494.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.93 : 20,401.15 = 8,346.31 : x
  2. Step 2: Convert to fraction form
    13,627.93/20,401.15 = 8,346.31/x
  3. Step 3: Cross multiply
    13,627.93x = 20,401.15 × 8,346.31
  4. Step 4: Simplify right side
    13,627.93x = 170,274,322.26
  5. Step 5: Solve for x
    x = 170,274,322.26/13,627.93
  6. Step 6: Final answer
    x = 12,494.51

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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.