Home / 20,563.27-28,374.50-11,609.33

Finding the Fourth Proportional to 20,563.27, 28,374.50 and 11,609.33

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Solution

The fourth proportional to 20,563.27, 28,374.50 and 11,609.33 is: 16,019.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,563.27 : 28,374.50 = 11,609.33 : x
  2. Step 2: Convert to fraction form
    20,563.27/28,374.50 = 11,609.33/x
  3. Step 3: Cross multiply
    20,563.27x = 28,374.50 × 11,609.33
  4. Step 4: Simplify right side
    20,563.27x = 329,408,821.24
  5. Step 5: Solve for x
    x = 329,408,821.24/20,563.27
  6. Step 6: Final answer
    x = 16,019.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.