Home / 18,586.60-27,883.90-5,437.96

Finding the Fourth Proportional to 18,586.60, 27,883.90 and 5,437.96

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Solution

The fourth proportional to 18,586.60, 27,883.90 and 5,437.96 is: 8,158.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.60 : 27,883.90 = 5,437.96 : x
  2. Step 2: Convert to fraction form
    18,586.60/27,883.90 = 5,437.96/x
  3. Step 3: Cross multiply
    18,586.60x = 27,883.90 × 5,437.96
  4. Step 4: Simplify right side
    18,586.60x = 151,631,532.84
  5. Step 5: Solve for x
    x = 151,631,532.84/18,586.60
  6. Step 6: Final answer
    x = 8,158.11

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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.