Home / 18,816.26-25,967.24-10,432.76

Finding the Fourth Proportional to 18,816.26, 25,967.24 and 10,432.76

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Solution

The fourth proportional to 18,816.26, 25,967.24 and 10,432.76 is: 14,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.26 : 25,967.24 = 10,432.76 : x
  2. Step 2: Convert to fraction form
    18,816.26/25,967.24 = 10,432.76/x
  3. Step 3: Cross multiply
    18,816.26x = 25,967.24 × 10,432.76
  4. Step 4: Simplify right side
    18,816.26x = 270,909,982.78
  5. Step 5: Solve for x
    x = 270,909,982.78/18,816.26
  6. Step 6: Final answer
    x = 14,397.65

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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.