Home / 18,531.01-25,572.54-10,147.51

Finding the Fourth Proportional to 18,531.01, 25,572.54 and 10,147.51

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Solution

The fourth proportional to 18,531.01, 25,572.54 and 10,147.51 is: 14,003.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.01 : 25,572.54 = 10,147.51 : x
  2. Step 2: Convert to fraction form
    18,531.01/25,572.54 = 10,147.51/x
  3. Step 3: Cross multiply
    18,531.01x = 25,572.54 × 10,147.51
  4. Step 4: Simplify right side
    18,531.01x = 259,497,605.38
  5. Step 5: Solve for x
    x = 259,497,605.38/18,531.01
  6. Step 6: Final answer
    x = 14,003.42

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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.