Home / 25,830.54-38,713.32-13,983.84

Finding the Fourth Proportional to 25,830.54, 38,713.32 and 13,983.84

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Solution

The fourth proportional to 25,830.54, 38,713.32 and 13,983.84 is: 20,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,830.54 : 38,713.32 = 13,983.84 : x
  2. Step 2: Convert to fraction form
    25,830.54/38,713.32 = 13,983.84/x
  3. Step 3: Cross multiply
    25,830.54x = 38,713.32 × 13,983.84
  4. Step 4: Simplify right side
    25,830.54x = 541,360,872.75
  5. Step 5: Solve for x
    x = 541,360,872.75/25,830.54
  6. Step 6: Final answer
    x = 20,958.17

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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.