Home / 19,779.23-27,295.24-10,826.70

Finding the Fourth Proportional to 19,779.23, 27,295.24 and 10,826.70

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Solution

The fourth proportional to 19,779.23, 27,295.24 and 10,826.70 is: 14,940.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.23 : 27,295.24 = 10,826.70 : x
  2. Step 2: Convert to fraction form
    19,779.23/27,295.24 = 10,826.70/x
  3. Step 3: Cross multiply
    19,779.23x = 27,295.24 × 10,826.70
  4. Step 4: Simplify right side
    19,779.23x = 295,517,374.91
  5. Step 5: Solve for x
    x = 295,517,374.91/19,779.23
  6. Step 6: Final answer
    x = 14,940.79

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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.