Home / 19,814.24-27,318.48-14,155.76

Finding the Fourth Proportional to 19,814.24, 27,318.48 and 14,155.76

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Solution

The fourth proportional to 19,814.24, 27,318.48 and 14,155.76 is: 19,516.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,814.24 : 27,318.48 = 14,155.76 : x
  2. Step 2: Convert to fraction form
    19,814.24/27,318.48 = 14,155.76/x
  3. Step 3: Cross multiply
    19,814.24x = 27,318.48 × 14,155.76
  4. Step 4: Simplify right side
    19,814.24x = 386,713,846.44
  5. Step 5: Solve for x
    x = 386,713,846.44/19,814.24
  6. Step 6: Final answer
    x = 19,516.97

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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.