Home / 19,640.18-27,102.98-11,026.14

Finding the Fourth Proportional to 19,640.18, 27,102.98 and 11,026.14

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Solution

The fourth proportional to 19,640.18, 27,102.98 and 11,026.14 is: 15,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,640.18 : 27,102.98 = 11,026.14 : x
  2. Step 2: Convert to fraction form
    19,640.18/27,102.98 = 11,026.14/x
  3. Step 3: Cross multiply
    19,640.18x = 27,102.98 × 11,026.14
  4. Step 4: Simplify right side
    19,640.18x = 298,841,251.90
  5. Step 5: Solve for x
    x = 298,841,251.90/19,640.18
  6. Step 6: Final answer
    x = 15,215.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.