Home / 13,346.70-20,020.05-7,441.80

Finding the Fourth Proportional to 13,346.70, 20,020.05 and 7,441.80

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Solution

The fourth proportional to 13,346.70, 20,020.05 and 7,441.80 is: 11,162.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.70 : 20,020.05 = 7,441.80 : x
  2. Step 2: Convert to fraction form
    13,346.70/20,020.05 = 7,441.80/x
  3. Step 3: Cross multiply
    13,346.70x = 20,020.05 × 7,441.80
  4. Step 4: Simplify right side
    13,346.70x = 148,985,208.09
  5. Step 5: Solve for x
    x = 148,985,208.09/13,346.70
  6. Step 6: Final answer
    x = 11,162.70

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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.