Home / 17,643.43-26,465.19-7,118.02

Finding the Fourth Proportional to 17,643.43, 26,465.19 and 7,118.02

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Solution

The fourth proportional to 17,643.43, 26,465.19 and 7,118.02 is: 10,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,643.43 : 26,465.19 = 7,118.02 : x
  2. Step 2: Convert to fraction form
    17,643.43/26,465.19 = 7,118.02/x
  3. Step 3: Cross multiply
    17,643.43x = 26,465.19 × 7,118.02
  4. Step 4: Simplify right side
    17,643.43x = 188,379,751.72
  5. Step 5: Solve for x
    x = 188,379,751.72/17,643.43
  6. Step 6: Final answer
    x = 10,677.05

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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.