Home / 13,730.37-20,581.86-9,571.42

Finding the Fourth Proportional to 13,730.37, 20,581.86 and 9,571.42

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Solution

The fourth proportional to 13,730.37, 20,581.86 and 9,571.42 is: 14,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,730.37 : 20,581.86 = 9,571.42 : x
  2. Step 2: Convert to fraction form
    13,730.37/20,581.86 = 9,571.42/x
  3. Step 3: Cross multiply
    13,730.37x = 20,581.86 × 9,571.42
  4. Step 4: Simplify right side
    13,730.37x = 196,997,688.06
  5. Step 5: Solve for x
    x = 196,997,688.06/13,730.37
  6. Step 6: Final answer
    x = 14,347.59

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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.