Home / 13,544.25-18,691.05-7,575.58

Finding the Fourth Proportional to 13,544.25, 18,691.05 and 7,575.58

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Solution

The fourth proportional to 13,544.25, 18,691.05 and 7,575.58 is: 10,454.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.25 : 18,691.05 = 7,575.58 : x
  2. Step 2: Convert to fraction form
    13,544.25/18,691.05 = 7,575.58/x
  3. Step 3: Cross multiply
    13,544.25x = 18,691.05 × 7,575.58
  4. Step 4: Simplify right side
    13,544.25x = 141,595,544.56
  5. Step 5: Solve for x
    x = 141,595,544.56/13,544.25
  6. Step 6: Final answer
    x = 10,454.29

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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.