Home / 15,878.54-23,815.98-4,192.67

Finding the Fourth Proportional to 15,878.54, 23,815.98 and 4,192.67

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Solution

The fourth proportional to 15,878.54, 23,815.98 and 4,192.67 is: 6,288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,878.54 : 23,815.98 = 4,192.67 : x
  2. Step 2: Convert to fraction form
    15,878.54/23,815.98 = 4,192.67/x
  3. Step 3: Cross multiply
    15,878.54x = 23,815.98 × 4,192.67
  4. Step 4: Simplify right side
    15,878.54x = 99,852,544.87
  5. Step 5: Solve for x
    x = 99,852,544.87/15,878.54
  6. Step 6: Final answer
    x = 6,288.52

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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.