Home / 18,126.72-25,014.24-11,064.96

Finding the Fourth Proportional to 18,126.72, 25,014.24 and 11,064.96

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Solution

The fourth proportional to 18,126.72, 25,014.24 and 11,064.96 is: 15,269.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.72 : 25,014.24 = 11,064.96 : x
  2. Step 2: Convert to fraction form
    18,126.72/25,014.24 = 11,064.96/x
  3. Step 3: Cross multiply
    18,126.72x = 25,014.24 × 11,064.96
  4. Step 4: Simplify right side
    18,126.72x = 276,781,565.03
  5. Step 5: Solve for x
    x = 276,781,565.03/18,126.72
  6. Step 6: Final answer
    x = 15,269.26

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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.