Home / 19,557.92-26,991.36-11,174.24

Finding the Fourth Proportional to 19,557.92, 26,991.36 and 11,174.24

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Solution

The fourth proportional to 19,557.92, 26,991.36 and 11,174.24 is: 15,421.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.92 : 26,991.36 = 11,174.24 : x
  2. Step 2: Convert to fraction form
    19,557.92/26,991.36 = 11,174.24/x
  3. Step 3: Cross multiply
    19,557.92x = 26,991.36 × 11,174.24
  4. Step 4: Simplify right side
    19,557.92x = 301,607,934.57
  5. Step 5: Solve for x
    x = 301,607,934.57/19,557.92
  6. Step 6: Final answer
    x = 15,421.27

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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.