Home / 25,415.34-38,080.86-17,982.96

Finding the Fourth Proportional to 25,415.34, 38,080.86 and 17,982.96

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Solution

The fourth proportional to 25,415.34, 38,080.86 and 17,982.96 is: 26,944.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,415.34 : 38,080.86 = 17,982.96 : x
  2. Step 2: Convert to fraction form
    25,415.34/38,080.86 = 17,982.96/x
  3. Step 3: Cross multiply
    25,415.34x = 38,080.86 × 17,982.96
  4. Step 4: Simplify right side
    25,415.34x = 684,806,582.15
  5. Step 5: Solve for x
    x = 684,806,582.15/25,415.34
  6. Step 6: Final answer
    x = 26,944.62

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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.