Home / 19,022.88-26,242.70-12,310.66

Finding the Fourth Proportional to 19,022.88, 26,242.70 and 12,310.66

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Solution

The fourth proportional to 19,022.88, 26,242.70 and 12,310.66 is: 16,982.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.88 : 26,242.70 = 12,310.66 : x
  2. Step 2: Convert to fraction form
    19,022.88/26,242.70 = 12,310.66/x
  3. Step 3: Cross multiply
    19,022.88x = 26,242.70 × 12,310.66
  4. Step 4: Simplify right side
    19,022.88x = 323,064,957.18
  5. Step 5: Solve for x
    x = 323,064,957.18/19,022.88
  6. Step 6: Final answer
    x = 16,982.97

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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.