Home / 19,030.38-28,545.66-5,179.38

Finding the Fourth Proportional to 19,030.38, 28,545.66 and 5,179.38

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Solution

The fourth proportional to 19,030.38, 28,545.66 and 5,179.38 is: 7,769.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,030.38 : 28,545.66 = 5,179.38 : x
  2. Step 2: Convert to fraction form
    19,030.38/28,545.66 = 5,179.38/x
  3. Step 3: Cross multiply
    19,030.38x = 28,545.66 × 5,179.38
  4. Step 4: Simplify right side
    19,030.38x = 147,848,820.49
  5. Step 5: Solve for x
    x = 147,848,820.49/19,030.38
  6. Step 6: Final answer
    x = 7,769.09

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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.