Home / 18,390.36-27,568.82-6,700.92

Finding the Fourth Proportional to 18,390.36, 27,568.82 and 6,700.92

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Solution

The fourth proportional to 18,390.36, 27,568.82 and 6,700.92 is: 10,045.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,390.36 : 27,568.82 = 6,700.92 : x
  2. Step 2: Convert to fraction form
    18,390.36/27,568.82 = 6,700.92/x
  3. Step 3: Cross multiply
    18,390.36x = 27,568.82 × 6,700.92
  4. Step 4: Simplify right side
    18,390.36x = 184,736,457.31
  5. Step 5: Solve for x
    x = 184,736,457.31/18,390.36
  6. Step 6: Final answer
    x = 10,045.29

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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.