Home / 19,043.20-28,565.92-7,356.48

Finding the Fourth Proportional to 19,043.20, 28,565.92 and 7,356.48

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Solution

The fourth proportional to 19,043.20, 28,565.92 and 7,356.48 is: 11,035.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.20 : 28,565.92 = 7,356.48 : x
  2. Step 2: Convert to fraction form
    19,043.20/28,565.92 = 7,356.48/x
  3. Step 3: Cross multiply
    19,043.20x = 28,565.92 × 7,356.48
  4. Step 4: Simplify right side
    19,043.20x = 210,144,619.16
  5. Step 5: Solve for x
    x = 210,144,619.16/19,043.20
  6. Step 6: Final answer
    x = 11,035.15

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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.