Home / 18,563.04-27,808.66-11,545.86

Finding the Fourth Proportional to 18,563.04, 27,808.66 and 11,545.86

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Solution

The fourth proportional to 18,563.04, 27,808.66 and 11,545.86 is: 17,296.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.04 : 27,808.66 = 11,545.86 : x
  2. Step 2: Convert to fraction form
    18,563.04/27,808.66 = 11,545.86/x
  3. Step 3: Cross multiply
    18,563.04x = 27,808.66 × 11,545.86
  4. Step 4: Simplify right side
    18,563.04x = 321,074,895.15
  5. Step 5: Solve for x
    x = 321,074,895.15/18,563.04
  6. Step 6: Final answer
    x = 17,296.46

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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.