Home / 26,322.20-39,448.72-12,475.16

Finding the Fourth Proportional to 26,322.20, 39,448.72 and 12,475.16

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Solution

The fourth proportional to 26,322.20, 39,448.72 and 12,475.16 is: 18,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,322.20 : 39,448.72 = 12,475.16 : x
  2. Step 2: Convert to fraction form
    26,322.20/39,448.72 = 12,475.16/x
  3. Step 3: Cross multiply
    26,322.20x = 39,448.72 × 12,475.16
  4. Step 4: Simplify right side
    26,322.20x = 492,129,093.80
  5. Step 5: Solve for x
    x = 492,129,093.80/26,322.20
  6. Step 6: Final answer
    x = 18,696.35

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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.