Home / 28,525.08-42,790.92-11,896.32

Finding the Fourth Proportional to 28,525.08, 42,790.92 and 11,896.32

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Solution

The fourth proportional to 28,525.08, 42,790.92 and 11,896.32 is: 17,845.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,525.08 : 42,790.92 = 11,896.32 : x
  2. Step 2: Convert to fraction form
    28,525.08/42,790.92 = 11,896.32/x
  3. Step 3: Cross multiply
    28,525.08x = 42,790.92 × 11,896.32
  4. Step 4: Simplify right side
    28,525.08x = 509,054,477.41
  5. Step 5: Solve for x
    x = 509,054,477.41/28,525.08
  6. Step 6: Final answer
    x = 17,845.86

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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.