Home / 14,262.36-19,682.96-7,974.76

Finding the Fourth Proportional to 14,262.36, 19,682.96 and 7,974.76

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Solution

The fourth proportional to 14,262.36, 19,682.96 and 7,974.76 is: 11,005.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,262.36 : 19,682.96 = 7,974.76 : x
  2. Step 2: Convert to fraction form
    14,262.36/19,682.96 = 7,974.76/x
  3. Step 3: Cross multiply
    14,262.36x = 19,682.96 × 7,974.76
  4. Step 4: Simplify right side
    14,262.36x = 156,966,882.09
  5. Step 5: Solve for x
    x = 156,966,882.09/14,262.36
  6. Step 6: Final answer
    x = 11,005.67

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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.