Home / 14,028.18-21,071.42-11,126.76

Finding the Fourth Proportional to 14,028.18, 21,071.42 and 11,126.76

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Solution

The fourth proportional to 14,028.18, 21,071.42 and 11,126.76 is: 16,713.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.18 : 21,071.42 = 11,126.76 : x
  2. Step 2: Convert to fraction form
    14,028.18/21,071.42 = 11,126.76/x
  3. Step 3: Cross multiply
    14,028.18x = 21,071.42 × 11,126.76
  4. Step 4: Simplify right side
    14,028.18x = 234,456,633.20
  5. Step 5: Solve for x
    x = 234,456,633.20/14,028.18
  6. Step 6: Final answer
    x = 16,713.26

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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.