Home / 19,587.17-27,029.97-11,090.90

Finding the Fourth Proportional to 19,587.17, 27,029.97 and 11,090.90

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Solution

The fourth proportional to 19,587.17, 27,029.97 and 11,090.90 is: 15,305.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.17 : 27,029.97 = 11,090.90 : x
  2. Step 2: Convert to fraction form
    19,587.17/27,029.97 = 11,090.90/x
  3. Step 3: Cross multiply
    19,587.17x = 27,029.97 × 11,090.90
  4. Step 4: Simplify right side
    19,587.17x = 299,786,559.12
  5. Step 5: Solve for x
    x = 299,786,559.12/19,587.17
  6. Step 6: Final answer
    x = 15,305.26

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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.