Home / 21,045.96-29,046.20-14,668.43

Finding the Fourth Proportional to 21,045.96, 29,046.20 and 14,668.43

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Solution

The fourth proportional to 21,045.96, 29,046.20 and 14,668.43 is: 20,244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,045.96 : 29,046.20 = 14,668.43 : x
  2. Step 2: Convert to fraction form
    21,045.96/29,046.20 = 14,668.43/x
  3. Step 3: Cross multiply
    21,045.96x = 29,046.20 × 14,668.43
  4. Step 4: Simplify right side
    21,045.96x = 426,061,932.89
  5. Step 5: Solve for x
    x = 426,061,932.89/21,045.96
  6. Step 6: Final answer
    x = 20,244.36

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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.