Home / 18,209.48-27,302.92-7,674.08

Finding the Fourth Proportional to 18,209.48, 27,302.92 and 7,674.08

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Solution

The fourth proportional to 18,209.48, 27,302.92 and 7,674.08 is: 11,506.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209.48 : 27,302.92 = 7,674.08 : x
  2. Step 2: Convert to fraction form
    18,209.48/27,302.92 = 7,674.08/x
  3. Step 3: Cross multiply
    18,209.48x = 27,302.92 × 7,674.08
  4. Step 4: Simplify right side
    18,209.48x = 209,524,792.31
  5. Step 5: Solve for x
    x = 209,524,792.31/18,209.48
  6. Step 6: Final answer
    x = 11,506.36

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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.