Home / 15,795.14-21,806.62-10,500.98

Finding the Fourth Proportional to 15,795.14, 21,806.62 and 10,500.98

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Solution

The fourth proportional to 15,795.14, 21,806.62 and 10,500.98 is: 14,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,795.14 : 21,806.62 = 10,500.98 : x
  2. Step 2: Convert to fraction form
    15,795.14/21,806.62 = 10,500.98/x
  3. Step 3: Cross multiply
    15,795.14x = 21,806.62 × 10,500.98
  4. Step 4: Simplify right side
    15,795.14x = 228,990,745.20
  5. Step 5: Solve for x
    x = 228,990,745.20/15,795.14
  6. Step 6: Final answer
    x = 14,497.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.