Home / 18,558.08-27,830.20-7,461.03

Finding the Fourth Proportional to 18,558.08, 27,830.20 and 7,461.03

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Solution

The fourth proportional to 18,558.08, 27,830.20 and 7,461.03 is: 11,188.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558.08 : 27,830.20 = 7,461.03 : x
  2. Step 2: Convert to fraction form
    18,558.08/27,830.20 = 7,461.03/x
  3. Step 3: Cross multiply
    18,558.08x = 27,830.20 × 7,461.03
  4. Step 4: Simplify right side
    18,558.08x = 207,641,957.11
  5. Step 5: Solve for x
    x = 207,641,957.11/18,558.08
  6. Step 6: Final answer
    x = 11,188.76

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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.