Home / 18,441.13-27,661.70-6,129.13

Finding the Fourth Proportional to 18,441.13, 27,661.70 and 6,129.13

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Solution

The fourth proportional to 18,441.13, 27,661.70 and 6,129.13 is: 9,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441.13 : 27,661.70 = 6,129.13 : x
  2. Step 2: Convert to fraction form
    18,441.13/27,661.70 = 6,129.13/x
  3. Step 3: Cross multiply
    18,441.13x = 27,661.70 × 6,129.13
  4. Step 4: Simplify right side
    18,441.13x = 169,542,155.32
  5. Step 5: Solve for x
    x = 169,542,155.32/18,441.13
  6. Step 6: Final answer
    x = 9,193.70

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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.