Home / 13,367.37-18,446.68-7,398.68

Finding the Fourth Proportional to 13,367.37, 18,446.68 and 7,398.68

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Solution

The fourth proportional to 13,367.37, 18,446.68 and 7,398.68 is: 10,210.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.37 : 18,446.68 = 7,398.68 : x
  2. Step 2: Convert to fraction form
    13,367.37/18,446.68 = 7,398.68/x
  3. Step 3: Cross multiply
    13,367.37x = 18,446.68 × 7,398.68
  4. Step 4: Simplify right side
    13,367.37x = 136,481,082.38
  5. Step 5: Solve for x
    x = 136,481,082.38/13,367.37
  6. Step 6: Final answer
    x = 10,210.02

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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.