Home / 22,202.08-30,637.92-12,130.36

Finding the Fourth Proportional to 22,202.08, 30,637.92 and 12,130.36

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Solution

The fourth proportional to 22,202.08, 30,637.92 and 12,130.36 is: 16,739.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,202.08 : 30,637.92 = 12,130.36 : x
  2. Step 2: Convert to fraction form
    22,202.08/30,637.92 = 12,130.36/x
  3. Step 3: Cross multiply
    22,202.08x = 30,637.92 × 12,130.36
  4. Step 4: Simplify right side
    22,202.08x = 371,648,999.25
  5. Step 5: Solve for x
    x = 371,648,999.25/22,202.08
  6. Step 6: Final answer
    x = 16,739.38

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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.