Home / 20,293.78-27,953.32-14,314.94

Finding the Fourth Proportional to 20,293.78, 27,953.32 and 14,314.94

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Solution

The fourth proportional to 20,293.78, 27,953.32 and 14,314.94 is: 19,717.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.78 : 27,953.32 = 14,314.94 : x
  2. Step 2: Convert to fraction form
    20,293.78/27,953.32 = 14,314.94/x
  3. Step 3: Cross multiply
    20,293.78x = 27,953.32 × 14,314.94
  4. Step 4: Simplify right side
    20,293.78x = 400,150,098.60
  5. Step 5: Solve for x
    x = 400,150,098.60/20,293.78
  6. Step 6: Final answer
    x = 19,717.87

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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.