Home / 18,502.08-25,531.84-10,116.96

Finding the Fourth Proportional to 18,502.08, 25,531.84 and 10,116.96

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Solution

The fourth proportional to 18,502.08, 25,531.84 and 10,116.96 is: 13,960.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502.08 : 25,531.84 = 10,116.96 : x
  2. Step 2: Convert to fraction form
    18,502.08/25,531.84 = 10,116.96/x
  3. Step 3: Cross multiply
    18,502.08x = 25,531.84 × 10,116.96
  4. Step 4: Simplify right side
    18,502.08x = 258,304,604.01
  5. Step 5: Solve for x
    x = 258,304,604.01/18,502.08
  6. Step 6: Final answer
    x = 13,960.84

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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.