Home / 18,248.56-25,189.82-14,207.38

Finding the Fourth Proportional to 18,248.56, 25,189.82 and 14,207.38

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Solution

The fourth proportional to 18,248.56, 25,189.82 and 14,207.38 is: 19,611.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.56 : 25,189.82 = 14,207.38 : x
  2. Step 2: Convert to fraction form
    18,248.56/25,189.82 = 14,207.38/x
  3. Step 3: Cross multiply
    18,248.56x = 25,189.82 × 14,207.38
  4. Step 4: Simplify right side
    18,248.56x = 357,881,344.87
  5. Step 5: Solve for x
    x = 357,881,344.87/18,248.56
  6. Step 6: Final answer
    x = 19,611.48

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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.