Home / 18,015.18-27,023.13-9,702.06

Finding the Fourth Proportional to 18,015.18, 27,023.13 and 9,702.06

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Solution

The fourth proportional to 18,015.18, 27,023.13 and 9,702.06 is: 14,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.18 : 27,023.13 = 9,702.06 : x
  2. Step 2: Convert to fraction form
    18,015.18/27,023.13 = 9,702.06/x
  3. Step 3: Cross multiply
    18,015.18x = 27,023.13 × 9,702.06
  4. Step 4: Simplify right side
    18,015.18x = 262,180,028.65
  5. Step 5: Solve for x
    x = 262,180,028.65/18,015.18
  6. Step 6: Final answer
    x = 14,553.28

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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.