Home / 22,113.60-33,133.04-18,627.36

Finding the Fourth Proportional to 22,113.60, 33,133.04 and 18,627.36

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Solution

The fourth proportional to 22,113.60, 33,133.04 and 18,627.36 is: 27,909.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,113.60 : 33,133.04 = 18,627.36 : x
  2. Step 2: Convert to fraction form
    22,113.60/33,133.04 = 18,627.36/x
  3. Step 3: Cross multiply
    22,113.60x = 33,133.04 × 18,627.36
  4. Step 4: Simplify right side
    22,113.60x = 617,181,063.97
  5. Step 5: Solve for x
    x = 617,181,063.97/22,113.60
  6. Step 6: Final answer
    x = 27,909.57

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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.