Home / 20,263.34-27,958.48-11,878.22

Finding the Fourth Proportional to 20,263.34, 27,958.48 and 11,878.22

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Solution

The fourth proportional to 20,263.34, 27,958.48 and 11,878.22 is: 16,389.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.34 : 27,958.48 = 11,878.22 : x
  2. Step 2: Convert to fraction form
    20,263.34/27,958.48 = 11,878.22/x
  3. Step 3: Cross multiply
    20,263.34x = 27,958.48 × 11,878.22
  4. Step 4: Simplify right side
    20,263.34x = 332,096,806.82
  5. Step 5: Solve for x
    x = 332,096,806.82/20,263.34
  6. Step 6: Final answer
    x = 16,389.05

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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.