Home / 19,257.38-28,890.93-5,406.38

Finding the Fourth Proportional to 19,257.38, 28,890.93 and 5,406.38

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Solution

The fourth proportional to 19,257.38, 28,890.93 and 5,406.38 is: 8,110.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,257.38 : 28,890.93 = 5,406.38 : x
  2. Step 2: Convert to fraction form
    19,257.38/28,890.93 = 5,406.38/x
  3. Step 3: Cross multiply
    19,257.38x = 28,890.93 × 5,406.38
  4. Step 4: Simplify right side
    19,257.38x = 156,195,346.13
  5. Step 5: Solve for x
    x = 156,195,346.13/19,257.38
  6. Step 6: Final answer
    x = 8,110.93

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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.