Home / 18,537.90-27,806.99-14,835.39

Finding the Fourth Proportional to 18,537.90, 27,806.99 and 14,835.39

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Solution

The fourth proportional to 18,537.90, 27,806.99 and 14,835.39 is: 22,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.90 : 27,806.99 = 14,835.39 : x
  2. Step 2: Convert to fraction form
    18,537.90/27,806.99 = 14,835.39/x
  3. Step 3: Cross multiply
    18,537.90x = 27,806.99 × 14,835.39
  4. Step 4: Simplify right side
    18,537.90x = 412,527,467.20
  5. Step 5: Solve for x
    x = 412,527,467.20/18,537.90
  6. Step 6: Final answer
    x = 22,253.19

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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.