Home / 22,202.04-30,633.77-13,247.81

Finding the Fourth Proportional to 22,202.04, 30,633.77 and 13,247.81

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Solution

The fourth proportional to 22,202.04, 30,633.77 and 13,247.81 is: 18,278.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,202.04 : 30,633.77 = 13,247.81 : x
  2. Step 2: Convert to fraction form
    22,202.04/30,633.77 = 13,247.81/x
  3. Step 3: Cross multiply
    22,202.04x = 30,633.77 × 13,247.81
  4. Step 4: Simplify right side
    22,202.04x = 405,830,145.14
  5. Step 5: Solve for x
    x = 405,830,145.14/22,202.04
  6. Step 6: Final answer
    x = 18,278.96

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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.