Home / 18,135.35-27,190.27-7,032.68

Finding the Fourth Proportional to 18,135.35, 27,190.27 and 7,032.68

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Solution

The fourth proportional to 18,135.35, 27,190.27 and 7,032.68 is: 10,544.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135.35 : 27,190.27 = 7,032.68 : x
  2. Step 2: Convert to fraction form
    18,135.35/27,190.27 = 7,032.68/x
  3. Step 3: Cross multiply
    18,135.35x = 27,190.27 × 7,032.68
  4. Step 4: Simplify right side
    18,135.35x = 191,220,518.42
  5. Step 5: Solve for x
    x = 191,220,518.42/18,135.35
  6. Step 6: Final answer
    x = 10,544.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.