Home / 22,529.67-31,090.97-12,458.12

Finding the Fourth Proportional to 22,529.67, 31,090.97 and 12,458.12

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Solution

The fourth proportional to 22,529.67, 31,090.97 and 12,458.12 is: 17,192.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,529.67 : 31,090.97 = 12,458.12 : x
  2. Step 2: Convert to fraction form
    22,529.67/31,090.97 = 12,458.12/x
  3. Step 3: Cross multiply
    22,529.67x = 31,090.97 × 12,458.12
  4. Step 4: Simplify right side
    22,529.67x = 387,334,817.43
  5. Step 5: Solve for x
    x = 387,334,817.43/22,529.67
  6. Step 6: Final answer
    x = 17,192.21

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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.