Home / 18,227.19-27,312.03-13,274.04

Finding the Fourth Proportional to 18,227.19, 27,312.03 and 13,274.04

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Solution

The fourth proportional to 18,227.19, 27,312.03 and 13,274.04 is: 19,890.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.19 : 27,312.03 = 13,274.04 : x
  2. Step 2: Convert to fraction form
    18,227.19/27,312.03 = 13,274.04/x
  3. Step 3: Cross multiply
    18,227.19x = 27,312.03 × 13,274.04
  4. Step 4: Simplify right side
    18,227.19x = 362,540,978.70
  5. Step 5: Solve for x
    x = 362,540,978.70/18,227.19
  6. Step 6: Final answer
    x = 19,890.12

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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.