Home / 13,846.15-20,769.30-4,486.12

Finding the Fourth Proportional to 13,846.15, 20,769.30 and 4,486.12

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Solution

The fourth proportional to 13,846.15, 20,769.30 and 4,486.12 is: 6,729.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,846.15 : 20,769.30 = 4,486.12 : x
  2. Step 2: Convert to fraction form
    13,846.15/20,769.30 = 4,486.12/x
  3. Step 3: Cross multiply
    13,846.15x = 20,769.30 × 4,486.12
  4. Step 4: Simplify right side
    13,846.15x = 93,173,572.12
  5. Step 5: Solve for x
    x = 93,173,572.12/13,846.15
  6. Step 6: Final answer
    x = 6,729.20

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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.