Home / 18,962.22-28,448.79-5,816.52

Finding the Fourth Proportional to 18,962.22, 28,448.79 and 5,816.52

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Solution

The fourth proportional to 18,962.22, 28,448.79 and 5,816.52 is: 8,726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.22 : 28,448.79 = 5,816.52 : x
  2. Step 2: Convert to fraction form
    18,962.22/28,448.79 = 5,816.52/x
  3. Step 3: Cross multiply
    18,962.22x = 28,448.79 × 5,816.52
  4. Step 4: Simplify right side
    18,962.22x = 165,472,956.01
  5. Step 5: Solve for x
    x = 165,472,956.01/18,962.22
  6. Step 6: Final answer
    x = 8,726.45

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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.