Home / 17,915.50-26,876.63-8,556.22

Finding the Fourth Proportional to 17,915.50, 26,876.63 and 8,556.22

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Solution

The fourth proportional to 17,915.50, 26,876.63 and 8,556.22 is: 12,835.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915.50 : 26,876.63 = 8,556.22 : x
  2. Step 2: Convert to fraction form
    17,915.50/26,876.63 = 8,556.22/x
  3. Step 3: Cross multiply
    17,915.50x = 26,876.63 × 8,556.22
  4. Step 4: Simplify right side
    17,915.50x = 229,962,359.14
  5. Step 5: Solve for x
    x = 229,962,359.14/17,915.50
  6. Step 6: Final answer
    x = 12,835.94

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1.5x scale

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.