Home / 23,118.42-31,903.68-12,508.26

Finding the Fourth Proportional to 23,118.42, 31,903.68 and 12,508.26

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Solution

The fourth proportional to 23,118.42, 31,903.68 and 12,508.26 is: 17,261.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,118.42 : 31,903.68 = 12,508.26 : x
  2. Step 2: Convert to fraction form
    23,118.42/31,903.68 = 12,508.26/x
  3. Step 3: Cross multiply
    23,118.42x = 31,903.68 × 12,508.26
  4. Step 4: Simplify right side
    23,118.42x = 399,059,524.40
  5. Step 5: Solve for x
    x = 399,059,524.40/23,118.42
  6. Step 6: Final answer
    x = 17,261.54

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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.