Home / 15,788.70-23,698.62-8,393.22

Finding the Fourth Proportional to 15,788.70, 23,698.62 and 8,393.22

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Solution

The fourth proportional to 15,788.70, 23,698.62 and 8,393.22 is: 12,598.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788.70 : 23,698.62 = 8,393.22 : x
  2. Step 2: Convert to fraction form
    15,788.70/23,698.62 = 8,393.22/x
  3. Step 3: Cross multiply
    15,788.70x = 23,698.62 × 8,393.22
  4. Step 4: Simplify right side
    15,788.70x = 198,907,731.36
  5. Step 5: Solve for x
    x = 198,907,731.36/15,788.70
  6. Step 6: Final answer
    x = 12,598.11

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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.