Home / 22,107.38-33,155.60-13,783.11

Finding the Fourth Proportional to 22,107.38, 33,155.60 and 13,783.11

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Solution

The fourth proportional to 22,107.38, 33,155.60 and 13,783.11 is: 20,671.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,107.38 : 33,155.60 = 13,783.11 : x
  2. Step 2: Convert to fraction form
    22,107.38/33,155.60 = 13,783.11/x
  3. Step 3: Cross multiply
    22,107.38x = 33,155.60 × 13,783.11
  4. Step 4: Simplify right side
    22,107.38x = 456,987,391.46
  5. Step 5: Solve for x
    x = 456,987,391.46/22,107.38
  6. Step 6: Final answer
    x = 20,671.26

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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.