Home / 15,819.35-23,735.57-6,930.08

Finding the Fourth Proportional to 15,819.35, 23,735.57 and 6,930.08

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Solution

The fourth proportional to 15,819.35, 23,735.57 and 6,930.08 is: 10,397.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,819.35 : 23,735.57 = 6,930.08 : x
  2. Step 2: Convert to fraction form
    15,819.35/23,735.57 = 6,930.08/x
  3. Step 3: Cross multiply
    15,819.35x = 23,735.57 × 6,930.08
  4. Step 4: Simplify right side
    15,819.35x = 164,489,364.30
  5. Step 5: Solve for x
    x = 164,489,364.30/15,819.35
  6. Step 6: Final answer
    x = 10,397.99

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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.