Home / 25,623.44-35,363.76-15,017.28

Finding the Fourth Proportional to 25,623.44, 35,363.76 and 15,017.28

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Solution

The fourth proportional to 25,623.44, 35,363.76 and 15,017.28 is: 20,725.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,623.44 : 35,363.76 = 15,017.28 : x
  2. Step 2: Convert to fraction form
    25,623.44/35,363.76 = 15,017.28/x
  3. Step 3: Cross multiply
    25,623.44x = 35,363.76 × 15,017.28
  4. Step 4: Simplify right side
    25,623.44x = 531,067,485.77
  5. Step 5: Solve for x
    x = 531,067,485.77/25,623.44
  6. Step 6: Final answer
    x = 20,725.85

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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.