Home / 19,779.24-27,295.20-10,826.56

Finding the Fourth Proportional to 19,779.24, 27,295.20 and 10,826.56

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Solution

The fourth proportional to 19,779.24, 27,295.20 and 10,826.56 is: 14,940.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.24 : 27,295.20 = 10,826.56 : x
  2. Step 2: Convert to fraction form
    19,779.24/27,295.20 = 10,826.56/x
  3. Step 3: Cross multiply
    19,779.24x = 27,295.20 × 10,826.56
  4. Step 4: Simplify right side
    19,779.24x = 295,513,120.51
  5. Step 5: Solve for x
    x = 295,513,120.51/19,779.24
  6. Step 6: Final answer
    x = 14,940.57

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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.