Home / 19,011.16-28,519.78-5,863.52

Finding the Fourth Proportional to 19,011.16, 28,519.78 and 5,863.52

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Solution

The fourth proportional to 19,011.16, 28,519.78 and 5,863.52 is: 8,796.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.16 : 28,519.78 = 5,863.52 : x
  2. Step 2: Convert to fraction form
    19,011.16/28,519.78 = 5,863.52/x
  3. Step 3: Cross multiply
    19,011.16x = 28,519.78 × 5,863.52
  4. Step 4: Simplify right side
    19,011.16x = 167,226,300.43
  5. Step 5: Solve for x
    x = 167,226,300.43/19,011.16
  6. Step 6: Final answer
    x = 8,796.22

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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.