Home / 19,558.62-26,990.55-11,174.94

Finding the Fourth Proportional to 19,558.62, 26,990.55 and 11,174.94

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Solution

The fourth proportional to 19,558.62, 26,990.55 and 11,174.94 is: 15,421.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558.62 : 26,990.55 = 11,174.94 : x
  2. Step 2: Convert to fraction form
    19,558.62/26,990.55 = 11,174.94/x
  3. Step 3: Cross multiply
    19,558.62x = 26,990.55 × 11,174.94
  4. Step 4: Simplify right side
    19,558.62x = 301,617,776.82
  5. Step 5: Solve for x
    x = 301,617,776.82/19,558.62
  6. Step 6: Final answer
    x = 15,421.22

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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.