Home / 19,027.76-26,242.20-11,472.44

Finding the Fourth Proportional to 19,027.76, 26,242.20 and 11,472.44

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Solution

The fourth proportional to 19,027.76, 26,242.20 and 11,472.44 is: 15,822.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,027.76 : 26,242.20 = 11,472.44 : x
  2. Step 2: Convert to fraction form
    19,027.76/26,242.20 = 11,472.44/x
  3. Step 3: Cross multiply
    19,027.76x = 26,242.20 × 11,472.44
  4. Step 4: Simplify right side
    19,027.76x = 301,061,933.76
  5. Step 5: Solve for x
    x = 301,061,933.76/19,027.76
  6. Step 6: Final answer
    x = 15,822.25

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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.