Home / 18,271.70-27,390.75-6,582.06

Finding the Fourth Proportional to 18,271.70, 27,390.75 and 6,582.06

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Solution

The fourth proportional to 18,271.70, 27,390.75 and 6,582.06 is: 9,867.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271.70 : 27,390.75 = 6,582.06 : x
  2. Step 2: Convert to fraction form
    18,271.70/27,390.75 = 6,582.06/x
  3. Step 3: Cross multiply
    18,271.70x = 27,390.75 × 6,582.06
  4. Step 4: Simplify right side
    18,271.70x = 180,287,559.95
  5. Step 5: Solve for x
    x = 180,287,559.95/18,271.70
  6. Step 6: Final answer
    x = 9,867.04

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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.