Home / 23,421.95-32,321.48-13,353.64

Finding the Fourth Proportional to 23,421.95, 32,321.48 and 13,353.64

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Solution

The fourth proportional to 23,421.95, 32,321.48 and 13,353.64 is: 18,427.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,421.95 : 32,321.48 = 13,353.64 : x
  2. Step 2: Convert to fraction form
    23,421.95/32,321.48 = 13,353.64/x
  3. Step 3: Cross multiply
    23,421.95x = 32,321.48 × 13,353.64
  4. Step 4: Simplify right side
    23,421.95x = 431,609,408.19
  5. Step 5: Solve for x
    x = 431,609,408.19/23,421.95
  6. Step 6: Final answer
    x = 18,427.56

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