Home / 22,187.36-33,217.04-20,630.40

Finding the Fourth Proportional to 22,187.36, 33,217.04 and 20,630.40

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Solution

The fourth proportional to 22,187.36, 33,217.04 and 20,630.40 is: 30,886.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,187.36 : 33,217.04 = 20,630.40 : x
  2. Step 2: Convert to fraction form
    22,187.36/33,217.04 = 20,630.40/x
  3. Step 3: Cross multiply
    22,187.36x = 33,217.04 × 20,630.40
  4. Step 4: Simplify right side
    22,187.36x = 685,280,822.02
  5. Step 5: Solve for x
    x = 685,280,822.02/22,187.36
  6. Step 6: Final answer
    x = 30,886.09

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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.