Home / 19,379.10-26,734.98-12,196.28

Finding the Fourth Proportional to 19,379.10, 26,734.98 and 12,196.28

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Solution

The fourth proportional to 19,379.10, 26,734.98 and 12,196.28 is: 16,825.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379.10 : 26,734.98 = 12,196.28 : x
  2. Step 2: Convert to fraction form
    19,379.10/26,734.98 = 12,196.28/x
  3. Step 3: Cross multiply
    19,379.10x = 26,734.98 × 12,196.28
  4. Step 4: Simplify right side
    19,379.10x = 326,067,301.87
  5. Step 5: Solve for x
    x = 326,067,301.87/19,379.10
  6. Step 6: Final answer
    x = 16,825.72

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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.