Home / 17,684.34-26,531.66-7,148.89

Finding the Fourth Proportional to 17,684.34, 26,531.66 and 7,148.89

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Solution

The fourth proportional to 17,684.34, 26,531.66 and 7,148.89 is: 10,725.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,684.34 : 26,531.66 = 7,148.89 : x
  2. Step 2: Convert to fraction form
    17,684.34/26,531.66 = 7,148.89/x
  3. Step 3: Cross multiply
    17,684.34x = 26,531.66 × 7,148.89
  4. Step 4: Simplify right side
    17,684.34x = 189,671,918.86
  5. Step 5: Solve for x
    x = 189,671,918.86/17,684.34
  6. Step 6: Final answer
    x = 10,725.42

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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.