Home / 17,813.88-26,741.52-10,423.64

Finding the Fourth Proportional to 17,813.88, 26,741.52 and 10,423.64

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Solution

The fourth proportional to 17,813.88, 26,741.52 and 10,423.64 is: 15,647.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,813.88 : 26,741.52 = 10,423.64 : x
  2. Step 2: Convert to fraction form
    17,813.88/26,741.52 = 10,423.64/x
  3. Step 3: Cross multiply
    17,813.88x = 26,741.52 × 10,423.64
  4. Step 4: Simplify right side
    17,813.88x = 278,743,977.53
  5. Step 5: Solve for x
    x = 278,743,977.53/17,813.88
  6. Step 6: Final answer
    x = 15,647.57

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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.