Home / 13,403.04-20,111.22-6,012.72

Finding the Fourth Proportional to 13,403.04, 20,111.22 and 6,012.72

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Solution

The fourth proportional to 13,403.04, 20,111.22 and 6,012.72 is: 9,022.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.04 : 20,111.22 = 6,012.72 : x
  2. Step 2: Convert to fraction form
    13,403.04/20,111.22 = 6,012.72/x
  3. Step 3: Cross multiply
    13,403.04x = 20,111.22 × 6,012.72
  4. Step 4: Simplify right side
    13,403.04x = 120,923,134.72
  5. Step 5: Solve for x
    x = 120,923,134.72/13,403.04
  6. Step 6: Final answer
    x = 9,022.07

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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.