Home / 14,178.44-21,265.20-3,787.76

Finding the Fourth Proportional to 14,178.44, 21,265.20 and 3,787.76

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Solution

The fourth proportional to 14,178.44, 21,265.20 and 3,787.76 is: 5,680.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.44 : 21,265.20 = 3,787.76 : x
  2. Step 2: Convert to fraction form
    14,178.44/21,265.20 = 3,787.76/x
  3. Step 3: Cross multiply
    14,178.44x = 21,265.20 × 3,787.76
  4. Step 4: Simplify right side
    14,178.44x = 80,547,473.95
  5. Step 5: Solve for x
    x = 80,547,473.95/14,178.44
  6. Step 6: Final answer
    x = 5,680.98

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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.