Home / 19,899.22-27,464.84-11,407.04

Finding the Fourth Proportional to 19,899.22, 27,464.84 and 11,407.04

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Solution

The fourth proportional to 19,899.22, 27,464.84 and 11,407.04 is: 15,743.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.22 : 27,464.84 = 11,407.04 : x
  2. Step 2: Convert to fraction form
    19,899.22/27,464.84 = 11,407.04/x
  3. Step 3: Cross multiply
    19,899.22x = 27,464.84 × 11,407.04
  4. Step 4: Simplify right side
    19,899.22x = 313,292,528.47
  5. Step 5: Solve for x
    x = 313,292,528.47/19,899.22
  6. Step 6: Final answer
    x = 15,743.96

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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.