Home / 13,453.44-20,180.70-4,689.24

Finding the Fourth Proportional to 13,453.44, 20,180.70 and 4,689.24

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Solution

The fourth proportional to 13,453.44, 20,180.70 and 4,689.24 is: 7,034.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.44 : 20,180.70 = 4,689.24 : x
  2. Step 2: Convert to fraction form
    13,453.44/20,180.70 = 4,689.24/x
  3. Step 3: Cross multiply
    13,453.44x = 20,180.70 × 4,689.24
  4. Step 4: Simplify right side
    13,453.44x = 94,632,145.67
  5. Step 5: Solve for x
    x = 94,632,145.67/13,453.44
  6. Step 6: Final answer
    x = 7,034.05

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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.