Home / 25,734.80-38,573.40-10,941.20

Finding the Fourth Proportional to 25,734.80, 38,573.40 and 10,941.20

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Solution

The fourth proportional to 25,734.80, 38,573.40 and 10,941.20 is: 16,399.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,734.80 : 38,573.40 = 10,941.20 : x
  2. Step 2: Convert to fraction form
    25,734.80/38,573.40 = 10,941.20/x
  3. Step 3: Cross multiply
    25,734.80x = 38,573.40 × 10,941.20
  4. Step 4: Simplify right side
    25,734.80x = 422,039,284.08
  5. Step 5: Solve for x
    x = 422,039,284.08/25,734.80
  6. Step 6: Final answer
    x = 16,399.56

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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.