Home / 19,020.72-28,535.76-7,334.76

Finding the Fourth Proportional to 19,020.72, 28,535.76 and 7,334.76

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Solution

The fourth proportional to 19,020.72, 28,535.76 and 7,334.76 is: 11,003.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.72 : 28,535.76 = 7,334.76 : x
  2. Step 2: Convert to fraction form
    19,020.72/28,535.76 = 7,334.76/x
  3. Step 3: Cross multiply
    19,020.72x = 28,535.76 × 7,334.76
  4. Step 4: Simplify right side
    19,020.72x = 209,302,951.02
  5. Step 5: Solve for x
    x = 209,302,951.02/19,020.72
  6. Step 6: Final answer
    x = 11,003.94

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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.