Home / 13,557.21-20,334.66-4,672.52

Finding the Fourth Proportional to 13,557.21, 20,334.66 and 4,672.52

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Solution

The fourth proportional to 13,557.21, 20,334.66 and 4,672.52 is: 7,008.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.21 : 20,334.66 = 4,672.52 : x
  2. Step 2: Convert to fraction form
    13,557.21/20,334.66 = 4,672.52/x
  3. Step 3: Cross multiply
    13,557.21x = 20,334.66 × 4,672.52
  4. Step 4: Simplify right side
    13,557.21x = 95,014,062.60
  5. Step 5: Solve for x
    x = 95,014,062.60/13,557.21
  6. Step 6: Final answer
    x = 7,008.38

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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.