Home / 19,016.10-28,529.37-8,340.57

Finding the Fourth Proportional to 19,016.10, 28,529.37 and 8,340.57

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Solution

The fourth proportional to 19,016.10, 28,529.37 and 8,340.57 is: 12,513.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016.10 : 28,529.37 = 8,340.57 : x
  2. Step 2: Convert to fraction form
    19,016.10/28,529.37 = 8,340.57/x
  3. Step 3: Cross multiply
    19,016.10x = 28,529.37 × 8,340.57
  4. Step 4: Simplify right side
    19,016.10x = 237,951,207.54
  5. Step 5: Solve for x
    x = 237,951,207.54/19,016.10
  6. Step 6: Final answer
    x = 12,513.14

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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.