Home / 14,042.21-21,056.26-4,678.95

Finding the Fourth Proportional to 14,042.21, 21,056.26 and 4,678.95

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Solution

The fourth proportional to 14,042.21, 21,056.26 and 4,678.95 is: 7,016.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.21 : 21,056.26 = 4,678.95 : x
  2. Step 2: Convert to fraction form
    14,042.21/21,056.26 = 4,678.95/x
  3. Step 3: Cross multiply
    14,042.21x = 21,056.26 × 4,678.95
  4. Step 4: Simplify right side
    14,042.21x = 98,521,187.73
  5. Step 5: Solve for x
    x = 98,521,187.73/14,042.21
  6. Step 6: Final answer
    x = 7,016.07

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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.