Home / 13,623.91-20,435.30-4,741.27

Finding the Fourth Proportional to 13,623.91, 20,435.30 and 4,741.27

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Solution

The fourth proportional to 13,623.91, 20,435.30 and 4,741.27 is: 7,111.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.91 : 20,435.30 = 4,741.27 : x
  2. Step 2: Convert to fraction form
    13,623.91/20,435.30 = 4,741.27/x
  3. Step 3: Cross multiply
    13,623.91x = 20,435.30 × 4,741.27
  4. Step 4: Simplify right side
    13,623.91x = 96,889,276.67
  5. Step 5: Solve for x
    x = 96,889,276.67/13,623.91
  6. Step 6: Final answer
    x = 7,111.71

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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.