Home / 21,473.72-29,633.67-12,042.48

Finding the Fourth Proportional to 21,473.72, 29,633.67 and 12,042.48

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Solution

The fourth proportional to 21,473.72, 29,633.67 and 12,042.48 is: 16,618.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,473.72 : 29,633.67 = 12,042.48 : x
  2. Step 2: Convert to fraction form
    21,473.72/29,633.67 = 12,042.48/x
  3. Step 3: Cross multiply
    21,473.72x = 29,633.67 × 12,042.48
  4. Step 4: Simplify right side
    21,473.72x = 356,862,878.30
  5. Step 5: Solve for x
    x = 356,862,878.30/21,473.72
  6. Step 6: Final answer
    x = 16,618.59

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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.