Home / 19,214.96-28,813.80-18,610.16

Finding the Fourth Proportional to 19,214.96, 28,813.80 and 18,610.16

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Solution

The fourth proportional to 19,214.96, 28,813.80 and 18,610.16 is: 27,906.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.96 : 28,813.80 = 18,610.16 : x
  2. Step 2: Convert to fraction form
    19,214.96/28,813.80 = 18,610.16/x
  3. Step 3: Cross multiply
    19,214.96x = 28,813.80 × 18,610.16
  4. Step 4: Simplify right side
    19,214.96x = 536,229,428.21
  5. Step 5: Solve for x
    x = 536,229,428.21/19,214.96
  6. Step 6: Final answer
    x = 27,906.87

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1.5x scale

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.