Home / 17,580.42-26,341.44-12,375.36

Finding the Fourth Proportional to 17,580.42, 26,341.44 and 12,375.36

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Solution

The fourth proportional to 17,580.42, 26,341.44 and 12,375.36 is: 18,542.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,580.42 : 26,341.44 = 12,375.36 : x
  2. Step 2: Convert to fraction form
    17,580.42/26,341.44 = 12,375.36/x
  3. Step 3: Cross multiply
    17,580.42x = 26,341.44 × 12,375.36
  4. Step 4: Simplify right side
    17,580.42x = 325,984,802.92
  5. Step 5: Solve for x
    x = 325,984,802.92/17,580.42
  6. Step 6: Final answer
    x = 18,542.49

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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.