Home / 13,572.22-20,365.26-6,558.22

Finding the Fourth Proportional to 13,572.22, 20,365.26 and 6,558.22

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Solution

The fourth proportional to 13,572.22, 20,365.26 and 6,558.22 is: 9,840.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.22 : 20,365.26 = 6,558.22 : x
  2. Step 2: Convert to fraction form
    13,572.22/20,365.26 = 6,558.22/x
  3. Step 3: Cross multiply
    13,572.22x = 20,365.26 × 6,558.22
  4. Step 4: Simplify right side
    13,572.22x = 133,559,855.44
  5. Step 5: Solve for x
    x = 133,559,855.44/13,572.22
  6. Step 6: Final answer
    x = 9,840.68

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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.