Home / 19,163.41-26,445.72-10,779.91

Finding the Fourth Proportional to 19,163.41, 26,445.72 and 10,779.91

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Solution

The fourth proportional to 19,163.41, 26,445.72 and 10,779.91 is: 14,876.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.41 : 26,445.72 = 10,779.91 : x
  2. Step 2: Convert to fraction form
    19,163.41/26,445.72 = 10,779.91/x
  3. Step 3: Cross multiply
    19,163.41x = 26,445.72 × 10,779.91
  4. Step 4: Simplify right side
    19,163.41x = 285,082,481.49
  5. Step 5: Solve for x
    x = 285,082,481.49/19,163.41
  6. Step 6: Final answer
    x = 14,876.40

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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.