Home / 13,352.03-18,425.81-7,383.70

Finding the Fourth Proportional to 13,352.03, 18,425.81 and 7,383.70

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Solution

The fourth proportional to 13,352.03, 18,425.81 and 7,383.70 is: 10,189.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.03 : 18,425.81 = 7,383.70 : x
  2. Step 2: Convert to fraction form
    13,352.03/18,425.81 = 7,383.70/x
  3. Step 3: Cross multiply
    13,352.03x = 18,425.81 × 7,383.70
  4. Step 4: Simplify right side
    13,352.03x = 136,050,653.30
  5. Step 5: Solve for x
    x = 136,050,653.30/13,352.03
  6. Step 6: Final answer
    x = 10,189.51

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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.