Home / 22,428.97-33,600.35-12,538.26

Finding the Fourth Proportional to 22,428.97, 33,600.35 and 12,538.26

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Solution

The fourth proportional to 22,428.97, 33,600.35 and 12,538.26 is: 18,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428.97 : 33,600.35 = 12,538.26 : x
  2. Step 2: Convert to fraction form
    22,428.97/33,600.35 = 12,538.26/x
  3. Step 3: Cross multiply
    22,428.97x = 33,600.35 × 12,538.26
  4. Step 4: Simplify right side
    22,428.97x = 421,289,955.74
  5. Step 5: Solve for x
    x = 421,289,955.74/22,428.97
  6. Step 6: Final answer
    x = 18,783.30

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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.