Home / 13,459.60-20,182.20-4,694.80

Finding the Fourth Proportional to 13,459.60, 20,182.20 and 4,694.80

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Solution

The fourth proportional to 13,459.60, 20,182.20 and 4,694.80 is: 7,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.60 : 20,182.20 = 4,694.80 : x
  2. Step 2: Convert to fraction form
    13,459.60/20,182.20 = 4,694.80/x
  3. Step 3: Cross multiply
    13,459.60x = 20,182.20 × 4,694.80
  4. Step 4: Simplify right side
    13,459.60x = 94,751,392.56
  5. Step 5: Solve for x
    x = 94,751,392.56/13,459.60
  6. Step 6: Final answer
    x = 7,039.69

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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.