Home / 18,531.14-25,572.71-10,147.64

Finding the Fourth Proportional to 18,531.14, 25,572.71 and 10,147.64

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Solution

The fourth proportional to 18,531.14, 25,572.71 and 10,147.64 is: 14,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.14 : 25,572.71 = 10,147.64 : x
  2. Step 2: Convert to fraction form
    18,531.14/25,572.71 = 10,147.64/x
  3. Step 3: Cross multiply
    18,531.14x = 25,572.71 × 10,147.64
  4. Step 4: Simplify right side
    18,531.14x = 259,502,552.41
  5. Step 5: Solve for x
    x = 259,502,552.41/18,531.14
  6. Step 6: Final answer
    x = 14,003.60

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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.