Home / 18,355.61-27,536.86-5,872.28

Finding the Fourth Proportional to 18,355.61, 27,536.86 and 5,872.28

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Solution

The fourth proportional to 18,355.61, 27,536.86 and 5,872.28 is: 8,809.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355.61 : 27,536.86 = 5,872.28 : x
  2. Step 2: Convert to fraction form
    18,355.61/27,536.86 = 5,872.28/x
  3. Step 3: Cross multiply
    18,355.61x = 27,536.86 × 5,872.28
  4. Step 4: Simplify right side
    18,355.61x = 161,704,152.24
  5. Step 5: Solve for x
    x = 161,704,152.24/18,355.61
  6. Step 6: Final answer
    x = 8,809.52

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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.