Home / 22,202.08-30,638.49-12,130.27

Finding the Fourth Proportional to 22,202.08, 30,638.49 and 12,130.27

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Solution

The fourth proportional to 22,202.08, 30,638.49 and 12,130.27 is: 16,739.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,202.08 : 30,638.49 = 12,130.27 : x
  2. Step 2: Convert to fraction form
    22,202.08/30,638.49 = 12,130.27/x
  3. Step 3: Cross multiply
    22,202.08x = 30,638.49 × 12,130.27
  4. Step 4: Simplify right side
    22,202.08x = 371,653,206.35
  5. Step 5: Solve for x
    x = 371,653,206.35/22,202.08
  6. Step 6: Final answer
    x = 16,739.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.