Home / 19,043.96-28,558.08-7,195.72

Finding the Fourth Proportional to 19,043.96, 28,558.08 and 7,195.72

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Solution

The fourth proportional to 19,043.96, 28,558.08 and 7,195.72 is: 10,790.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.96 : 28,558.08 = 7,195.72 : x
  2. Step 2: Convert to fraction form
    19,043.96/28,558.08 = 7,195.72/x
  3. Step 3: Cross multiply
    19,043.96x = 28,558.08 × 7,195.72
  4. Step 4: Simplify right side
    19,043.96x = 205,495,947.42
  5. Step 5: Solve for x
    x = 205,495,947.42/19,043.96
  6. Step 6: Final answer
    x = 10,790.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.