Home / 17,515.52-26,263.99-7,643.27

Finding the Fourth Proportional to 17,515.52, 26,263.99 and 7,643.27

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Solution

The fourth proportional to 17,515.52, 26,263.99 and 7,643.27 is: 11,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.52 : 26,263.99 = 7,643.27 : x
  2. Step 2: Convert to fraction form
    17,515.52/26,263.99 = 7,643.27/x
  3. Step 3: Cross multiply
    17,515.52x = 26,263.99 × 7,643.27
  4. Step 4: Simplify right side
    17,515.52x = 200,742,766.85
  5. Step 5: Solve for x
    x = 200,742,766.85/17,515.52
  6. Step 6: Final answer
    x = 11,460.85

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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.