Home / 19,962.71-29,944.08-11,203.78

Finding the Fourth Proportional to 19,962.71, 29,944.08 and 11,203.78

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Solution

The fourth proportional to 19,962.71, 29,944.08 and 11,203.78 is: 16,805.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.71 : 29,944.08 = 11,203.78 : x
  2. Step 2: Convert to fraction form
    19,962.71/29,944.08 = 11,203.78/x
  3. Step 3: Cross multiply
    19,962.71x = 29,944.08 × 11,203.78
  4. Step 4: Simplify right side
    19,962.71x = 335,486,781.69
  5. Step 5: Solve for x
    x = 335,486,781.69/19,962.71
  6. Step 6: Final answer
    x = 16,805.67

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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.