Home / 13,433.13-18,536.31-7,463.84

Finding the Fourth Proportional to 13,433.13, 18,536.31 and 7,463.84

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Solution

The fourth proportional to 13,433.13, 18,536.31 and 7,463.84 is: 10,299.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433.13 : 18,536.31 = 7,463.84 : x
  2. Step 2: Convert to fraction form
    13,433.13/18,536.31 = 7,463.84/x
  3. Step 3: Cross multiply
    13,433.13x = 18,536.31 × 7,463.84
  4. Step 4: Simplify right side
    13,433.13x = 138,351,959.35
  5. Step 5: Solve for x
    x = 138,351,959.35/13,433.13
  6. Step 6: Final answer
    x = 10,299.31

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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.