Home / 14,108.14-19,470.63-7,821.73

Finding the Fourth Proportional to 14,108.14, 19,470.63 and 7,821.73

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Solution

The fourth proportional to 14,108.14, 19,470.63 and 7,821.73 is: 10,794.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.14 : 19,470.63 = 7,821.73 : x
  2. Step 2: Convert to fraction form
    14,108.14/19,470.63 = 7,821.73/x
  3. Step 3: Cross multiply
    14,108.14x = 19,470.63 × 7,821.73
  4. Step 4: Simplify right side
    14,108.14x = 152,294,010.79
  5. Step 5: Solve for x
    x = 152,294,010.79/14,108.14
  6. Step 6: Final answer
    x = 10,794.76

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1.5x scale

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.