Home / 25,156.84-34,716.26-13,671.66

Finding the Fourth Proportional to 25,156.84, 34,716.26 and 13,671.66

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Solution

The fourth proportional to 25,156.84, 34,716.26 and 13,671.66 is: 18,866.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,156.84 : 34,716.26 = 13,671.66 : x
  2. Step 2: Convert to fraction form
    25,156.84/34,716.26 = 13,671.66/x
  3. Step 3: Cross multiply
    25,156.84x = 34,716.26 × 13,671.66
  4. Step 4: Simplify right side
    25,156.84x = 474,628,903.19
  5. Step 5: Solve for x
    x = 474,628,903.19/25,156.84
  6. Step 6: Final answer
    x = 18,866.79

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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.