Home / 21,416.90-29,563.84-14,519.66

Finding the Fourth Proportional to 21,416.90, 29,563.84 and 14,519.66

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Solution

The fourth proportional to 21,416.90, 29,563.84 and 14,519.66 is: 20,042.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,416.90 : 29,563.84 = 14,519.66 : x
  2. Step 2: Convert to fraction form
    21,416.90/29,563.84 = 14,519.66/x
  3. Step 3: Cross multiply
    21,416.90x = 29,563.84 × 14,519.66
  4. Step 4: Simplify right side
    21,416.90x = 429,256,905.09
  5. Step 5: Solve for x
    x = 429,256,905.09/21,416.90
  6. Step 6: Final answer
    x = 20,042.91

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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.