Home / 22,103.51-33,155.28-18,199.71

Finding the Fourth Proportional to 22,103.51, 33,155.28 and 18,199.71

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Solution

The fourth proportional to 22,103.51, 33,155.28 and 18,199.71 is: 27,299.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,103.51 : 33,155.28 = 18,199.71 : x
  2. Step 2: Convert to fraction form
    22,103.51/33,155.28 = 18,199.71/x
  3. Step 3: Cross multiply
    22,103.51x = 33,155.28 × 18,199.71
  4. Step 4: Simplify right side
    22,103.51x = 603,416,480.97
  5. Step 5: Solve for x
    x = 603,416,480.97/22,103.51
  6. Step 6: Final answer
    x = 27,299.58

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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.