Home / 25,941.43-38,921.34-12,803.03

Finding the Fourth Proportional to 25,941.43, 38,921.34 and 12,803.03

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Solution

The fourth proportional to 25,941.43, 38,921.34 and 12,803.03 is: 19,209.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,941.43 : 38,921.34 = 12,803.03 : x
  2. Step 2: Convert to fraction form
    25,941.43/38,921.34 = 12,803.03/x
  3. Step 3: Cross multiply
    25,941.43x = 38,921.34 × 12,803.03
  4. Step 4: Simplify right side
    25,941.43x = 498,311,083.02
  5. Step 5: Solve for x
    x = 498,311,083.02/25,941.43
  6. Step 6: Final answer
    x = 19,209.08

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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.