Home / 23,515.65-32,451.57-12,905.37

Finding the Fourth Proportional to 23,515.65, 32,451.57 and 12,905.37

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Solution

The fourth proportional to 23,515.65, 32,451.57 and 12,905.37 is: 17,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,515.65 : 32,451.57 = 12,905.37 : x
  2. Step 2: Convert to fraction form
    23,515.65/32,451.57 = 12,905.37/x
  3. Step 3: Cross multiply
    23,515.65x = 32,451.57 × 12,905.37
  4. Step 4: Simplify right side
    23,515.65x = 418,799,517.93
  5. Step 5: Solve for x
    x = 418,799,517.93/23,515.65
  6. Step 6: Final answer
    x = 17,809.40

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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.