Home / 18,531.26-25,572.93-10,147.76

Finding the Fourth Proportional to 18,531.26, 25,572.93 and 10,147.76

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Solution

The fourth proportional to 18,531.26, 25,572.93 and 10,147.76 is: 14,003.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.26 : 25,572.93 = 10,147.76 : x
  2. Step 2: Convert to fraction form
    18,531.26/25,572.93 = 10,147.76/x
  3. Step 3: Cross multiply
    18,531.26x = 25,572.93 × 10,147.76
  4. Step 4: Simplify right side
    18,531.26x = 259,507,956.14
  5. Step 5: Solve for x
    x = 259,507,956.14/18,531.26
  6. Step 6: Final answer
    x = 14,003.79

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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.