Home / 13,340.96-18,410.91-7,373.01

Finding the Fourth Proportional to 13,340.96, 18,410.91 and 7,373.01

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Solution

The fourth proportional to 13,340.96, 18,410.91 and 7,373.01 is: 10,174.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,340.96 : 18,410.91 = 7,373.01 : x
  2. Step 2: Convert to fraction form
    13,340.96/18,410.91 = 7,373.01/x
  3. Step 3: Cross multiply
    13,340.96x = 18,410.91 × 7,373.01
  4. Step 4: Simplify right side
    13,340.96x = 135,743,823.54
  5. Step 5: Solve for x
    x = 135,743,823.54/13,340.96
  6. Step 6: Final answer
    x = 10,174.97

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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.