Home / 22,512.95-33,768.20-11,419.35

Finding the Fourth Proportional to 22,512.95, 33,768.20 and 11,419.35

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Solution

The fourth proportional to 22,512.95, 33,768.20 and 11,419.35 is: 17,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,512.95 : 33,768.20 = 11,419.35 : x
  2. Step 2: Convert to fraction form
    22,512.95/33,768.20 = 11,419.35/x
  3. Step 3: Cross multiply
    22,512.95x = 33,768.20 × 11,419.35
  4. Step 4: Simplify right side
    22,512.95x = 385,610,796.59
  5. Step 5: Solve for x
    x = 385,610,796.59/22,512.95
  6. Step 6: Final answer
    x = 17,128.40

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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.