Home / 19,994.52-27,587.28-13,609.56

Finding the Fourth Proportional to 19,994.52, 27,587.28 and 13,609.56

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Solution

The fourth proportional to 19,994.52, 27,587.28 and 13,609.56 is: 18,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,994.52 : 27,587.28 = 13,609.56 : x
  2. Step 2: Convert to fraction form
    19,994.52/27,587.28 = 13,609.56/x
  3. Step 3: Cross multiply
    19,994.52x = 27,587.28 × 13,609.56
  4. Step 4: Simplify right side
    19,994.52x = 375,450,742.40
  5. Step 5: Solve for x
    x = 375,450,742.40/19,994.52
  6. Step 6: Final answer
    x = 18,777.68

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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.