Home / 18,020.76-27,019.50-7,498.04

Finding the Fourth Proportional to 18,020.76, 27,019.50 and 7,498.04

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Solution

The fourth proportional to 18,020.76, 27,019.50 and 7,498.04 is: 11,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020.76 : 27,019.50 = 7,498.04 : x
  2. Step 2: Convert to fraction form
    18,020.76/27,019.50 = 7,498.04/x
  3. Step 3: Cross multiply
    18,020.76x = 27,019.50 × 7,498.04
  4. Step 4: Simplify right side
    18,020.76x = 202,593,156.68
  5. Step 5: Solve for x
    x = 202,593,156.68/18,020.76
  6. Step 6: Final answer
    x = 11,242.21

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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.