Home / 13,535.91-20,303.84-3,676.63

Finding the Fourth Proportional to 13,535.91, 20,303.84 and 3,676.63

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Solution

The fourth proportional to 13,535.91, 20,303.84 and 3,676.63 is: 5,514.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.91 : 20,303.84 = 3,676.63 : x
  2. Step 2: Convert to fraction form
    13,535.91/20,303.84 = 3,676.63/x
  3. Step 3: Cross multiply
    13,535.91x = 20,303.84 × 3,676.63
  4. Step 4: Simplify right side
    13,535.91x = 74,649,707.26
  5. Step 5: Solve for x
    x = 74,649,707.26/13,535.91
  6. Step 6: Final answer
    x = 5,514.94

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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.