Home / 19,994.08-27,595.20-11,615.44

Finding the Fourth Proportional to 19,994.08, 27,595.20 and 11,615.44

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Solution

The fourth proportional to 19,994.08, 27,595.20 and 11,615.44 is: 16,031.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,994.08 : 27,595.20 = 11,615.44 : x
  2. Step 2: Convert to fraction form
    19,994.08/27,595.20 = 11,615.44/x
  3. Step 3: Cross multiply
    19,994.08x = 27,595.20 × 11,615.44
  4. Step 4: Simplify right side
    19,994.08x = 320,530,389.89
  5. Step 5: Solve for x
    x = 320,530,389.89/19,994.08
  6. Step 6: Final answer
    x = 16,031.26

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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.