Home / 14,638.10-21,969.48-6,324.42

Finding the Fourth Proportional to 14,638.10, 21,969.48 and 6,324.42

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Solution

The fourth proportional to 14,638.10, 21,969.48 and 6,324.42 is: 9,491.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.10 : 21,969.48 = 6,324.42 : x
  2. Step 2: Convert to fraction form
    14,638.10/21,969.48 = 6,324.42/x
  3. Step 3: Cross multiply
    14,638.10x = 21,969.48 × 6,324.42
  4. Step 4: Simplify right side
    14,638.10x = 138,944,218.70
  5. Step 5: Solve for x
    x = 138,944,218.70/14,638.10
  6. Step 6: Final answer
    x = 9,491.96

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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.