Home / 22,529.90-31,090.01-12,457.73

Finding the Fourth Proportional to 22,529.90, 31,090.01 and 12,457.73

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Solution

The fourth proportional to 22,529.90, 31,090.01 and 12,457.73 is: 17,190.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,529.90 : 31,090.01 = 12,457.73 : x
  2. Step 2: Convert to fraction form
    22,529.90/31,090.01 = 12,457.73/x
  3. Step 3: Cross multiply
    22,529.90x = 31,090.01 × 12,457.73
  4. Step 4: Simplify right side
    22,529.90x = 387,310,732.54
  5. Step 5: Solve for x
    x = 387,310,732.54/22,529.90
  6. Step 6: Final answer
    x = 17,190.97

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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.