Home / 18,531.88-25,576.14-10,575.25

Finding the Fourth Proportional to 18,531.88, 25,576.14 and 10,575.25

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Solution

The fourth proportional to 18,531.88, 25,576.14 and 10,575.25 is: 14,595.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.88 : 25,576.14 = 10,575.25 : x
  2. Step 2: Convert to fraction form
    18,531.88/25,576.14 = 10,575.25/x
  3. Step 3: Cross multiply
    18,531.88x = 25,576.14 × 10,575.25
  4. Step 4: Simplify right side
    18,531.88x = 270,474,074.54
  5. Step 5: Solve for x
    x = 270,474,074.54/18,531.88
  6. Step 6: Final answer
    x = 14,595.07

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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.