Home / 19,816.24-27,321.24-14,157.76

Finding the Fourth Proportional to 19,816.24, 27,321.24 and 14,157.76

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Solution

The fourth proportional to 19,816.24, 27,321.24 and 14,157.76 is: 19,519.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.24 : 27,321.24 = 14,157.76 : x
  2. Step 2: Convert to fraction form
    19,816.24/27,321.24 = 14,157.76/x
  3. Step 3: Cross multiply
    19,816.24x = 27,321.24 × 14,157.76
  4. Step 4: Simplify right side
    19,816.24x = 386,807,558.82
  5. Step 5: Solve for x
    x = 386,807,558.82/19,816.24
  6. Step 6: Final answer
    x = 19,519.73

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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.