Home / 19,451.15-26,832.72-11,379.53

Finding the Fourth Proportional to 19,451.15, 26,832.72 and 11,379.53

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Solution

The fourth proportional to 19,451.15, 26,832.72 and 11,379.53 is: 15,697.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.15 : 26,832.72 = 11,379.53 : x
  2. Step 2: Convert to fraction form
    19,451.15/26,832.72 = 11,379.53/x
  3. Step 3: Cross multiply
    19,451.15x = 26,832.72 × 11,379.53
  4. Step 4: Simplify right side
    19,451.15x = 305,343,608.06
  5. Step 5: Solve for x
    x = 305,343,608.06/19,451.15
  6. Step 6: Final answer
    x = 15,697.98

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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.