Home / 19,834.64-27,370.68-11,875.04

Finding the Fourth Proportional to 19,834.64, 27,370.68 and 11,875.04

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Solution

The fourth proportional to 19,834.64, 27,370.68 and 11,875.04 is: 16,386.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,834.64 : 27,370.68 = 11,875.04 : x
  2. Step 2: Convert to fraction form
    19,834.64/27,370.68 = 11,875.04/x
  3. Step 3: Cross multiply
    19,834.64x = 27,370.68 × 11,875.04
  4. Step 4: Simplify right side
    19,834.64x = 325,027,919.83
  5. Step 5: Solve for x
    x = 325,027,919.83/19,834.64
  6. Step 6: Final answer
    x = 16,386.88

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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.