Home / 17,920.56-26,880.36-4,773.03

Finding the Fourth Proportional to 17,920.56, 26,880.36 and 4,773.03

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Solution

The fourth proportional to 17,920.56, 26,880.36 and 4,773.03 is: 7,159.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,920.56 : 26,880.36 = 4,773.03 : x
  2. Step 2: Convert to fraction form
    17,920.56/26,880.36 = 4,773.03/x
  3. Step 3: Cross multiply
    17,920.56x = 26,880.36 × 4,773.03
  4. Step 4: Simplify right side
    17,920.56x = 128,300,764.69
  5. Step 5: Solve for x
    x = 128,300,764.69/17,920.56
  6. Step 6: Final answer
    x = 7,159.42

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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.