Home / 14,021.49-21,038.42-6,631.26

Finding the Fourth Proportional to 14,021.49, 21,038.42 and 6,631.26

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Solution

The fourth proportional to 14,021.49, 21,038.42 and 6,631.26 is: 9,949.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.49 : 21,038.42 = 6,631.26 : x
  2. Step 2: Convert to fraction form
    14,021.49/21,038.42 = 6,631.26/x
  3. Step 3: Cross multiply
    14,021.49x = 21,038.42 × 6,631.26
  4. Step 4: Simplify right side
    14,021.49x = 139,511,233.01
  5. Step 5: Solve for x
    x = 139,511,233.01/14,021.49
  6. Step 6: Final answer
    x = 9,949.82

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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.