Home / 19,779.14-27,295.29-10,826.75

Finding the Fourth Proportional to 19,779.14, 27,295.29 and 10,826.75

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Solution

The fourth proportional to 19,779.14, 27,295.29 and 10,826.75 is: 14,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.14 : 27,295.29 = 10,826.75 : x
  2. Step 2: Convert to fraction form
    19,779.14/27,295.29 = 10,826.75/x
  3. Step 3: Cross multiply
    19,779.14x = 27,295.29 × 10,826.75
  4. Step 4: Simplify right side
    19,779.14x = 295,519,144.53
  5. Step 5: Solve for x
    x = 295,519,144.53/19,779.14
  6. Step 6: Final answer
    x = 14,940.95

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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.