Home / 14,613.30-21,929.66-5,379.30

Finding the Fourth Proportional to 14,613.30, 21,929.66 and 5,379.30

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Solution

The fourth proportional to 14,613.30, 21,929.66 and 5,379.30 is: 8,072.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.30 : 21,929.66 = 5,379.30 : x
  2. Step 2: Convert to fraction form
    14,613.30/21,929.66 = 5,379.30/x
  3. Step 3: Cross multiply
    14,613.30x = 21,929.66 × 5,379.30
  4. Step 4: Simplify right side
    14,613.30x = 117,966,193.14
  5. Step 5: Solve for x
    x = 117,966,193.14/14,613.30
  6. Step 6: Final answer
    x = 8,072.52

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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.