Home / 17,123.72-25,652.16-11,262.56

Finding the Fourth Proportional to 17,123.72, 25,652.16 and 11,262.56

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Solution

The fourth proportional to 17,123.72, 25,652.16 and 11,262.56 is: 16,871.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,123.72 : 25,652.16 = 11,262.56 : x
  2. Step 2: Convert to fraction form
    17,123.72/25,652.16 = 11,262.56/x
  3. Step 3: Cross multiply
    17,123.72x = 25,652.16 × 11,262.56
  4. Step 4: Simplify right side
    17,123.72x = 288,908,991.13
  5. Step 5: Solve for x
    x = 288,908,991.13/17,123.72
  6. Step 6: Final answer
    x = 16,871.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.