Home / 19,859.04-27,402.72-11,899.44

Finding the Fourth Proportional to 19,859.04, 27,402.72 and 11,899.44

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Solution

The fourth proportional to 19,859.04, 27,402.72 and 11,899.44 is: 16,419.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.04 : 27,402.72 = 11,899.44 : x
  2. Step 2: Convert to fraction form
    19,859.04/27,402.72 = 11,899.44/x
  3. Step 3: Cross multiply
    19,859.04x = 27,402.72 × 11,899.44
  4. Step 4: Simplify right side
    19,859.04x = 326,077,022.48
  5. Step 5: Solve for x
    x = 326,077,022.48/19,859.04
  6. Step 6: Final answer
    x = 16,419.58

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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.