Home / 16,278.70-24,391.32-15,671.89

Finding the Fourth Proportional to 16,278.70, 24,391.32 and 15,671.89

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Solution

The fourth proportional to 16,278.70, 24,391.32 and 15,671.89 is: 23,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.70 : 24,391.32 = 15,671.89 : x
  2. Step 2: Convert to fraction form
    16,278.70/24,391.32 = 15,671.89/x
  3. Step 3: Cross multiply
    16,278.70x = 24,391.32 × 15,671.89
  4. Step 4: Simplify right side
    16,278.70x = 382,258,083.99
  5. Step 5: Solve for x
    x = 382,258,083.99/16,278.70
  6. Step 6: Final answer
    x = 23,482.10

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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.