Home / 13,433.15-18,537.76-7,464.68

Finding the Fourth Proportional to 13,433.15, 18,537.76 and 7,464.68

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Solution

The fourth proportional to 13,433.15, 18,537.76 and 7,464.68 is: 10,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433.15 : 18,537.76 = 7,464.68 : x
  2. Step 2: Convert to fraction form
    13,433.15/18,537.76 = 7,464.68/x
  3. Step 3: Cross multiply
    13,433.15x = 18,537.76 × 7,464.68
  4. Step 4: Simplify right side
    13,433.15x = 138,378,446.32
  5. Step 5: Solve for x
    x = 138,378,446.32/13,433.15
  6. Step 6: Final answer
    x = 10,301.27

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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.