Home / 17,304.68-23,891.86-13,318.76

Finding the Fourth Proportional to 17,304.68, 23,891.86 and 13,318.76

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Solution

The fourth proportional to 17,304.68, 23,891.86 and 13,318.76 is: 18,388.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,304.68 : 23,891.86 = 13,318.76 : x
  2. Step 2: Convert to fraction form
    17,304.68/23,891.86 = 13,318.76/x
  3. Step 3: Cross multiply
    17,304.68x = 23,891.86 × 13,318.76
  4. Step 4: Simplify right side
    17,304.68x = 318,209,949.29
  5. Step 5: Solve for x
    x = 318,209,949.29/17,304.68
  6. Step 6: Final answer
    x = 18,388.66

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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.