Home / 19,012.64-28,356.96-17,821.92

Finding the Fourth Proportional to 19,012.64, 28,356.96 and 17,821.92

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Solution

The fourth proportional to 19,012.64, 28,356.96 and 17,821.92 is: 26,581.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.64 : 28,356.96 = 17,821.92 : x
  2. Step 2: Convert to fraction form
    19,012.64/28,356.96 = 17,821.92/x
  3. Step 3: Cross multiply
    19,012.64x = 28,356.96 × 17,821.92
  4. Step 4: Simplify right side
    19,012.64x = 505,375,472.56
  5. Step 5: Solve for x
    x = 505,375,472.56/19,012.64
  6. Step 6: Final answer
    x = 26,581.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.