Home / 18,531.52-25,573.81-10,147.48

Finding the Fourth Proportional to 18,531.52, 25,573.81 and 10,147.48

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Solution

The fourth proportional to 18,531.52, 25,573.81 and 10,147.48 is: 14,003.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.52 : 25,573.81 = 10,147.48 : x
  2. Step 2: Convert to fraction form
    18,531.52/25,573.81 = 10,147.48/x
  3. Step 3: Cross multiply
    18,531.52x = 25,573.81 × 10,147.48
  4. Step 4: Simplify right side
    18,531.52x = 259,509,725.50
  5. Step 5: Solve for x
    x = 259,509,725.50/18,531.52
  6. Step 6: Final answer
    x = 14,003.69

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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.