Home / 14,042.80-21,069.68-6,246.28

Finding the Fourth Proportional to 14,042.80, 21,069.68 and 6,246.28

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Solution

The fourth proportional to 14,042.80, 21,069.68 and 6,246.28 is: 9,371.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.80 : 21,069.68 = 6,246.28 : x
  2. Step 2: Convert to fraction form
    14,042.80/21,069.68 = 6,246.28/x
  3. Step 3: Cross multiply
    14,042.80x = 21,069.68 × 6,246.28
  4. Step 4: Simplify right side
    14,042.80x = 131,607,120.79
  5. Step 5: Solve for x
    x = 131,607,120.79/14,042.80
  6. Step 6: Final answer
    x = 9,371.86

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1.5x scale

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.