Home / 15,115.33-20,858.07-9,452.62

Finding the Fourth Proportional to 15,115.33, 20,858.07 and 9,452.62

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Solution

The fourth proportional to 15,115.33, 20,858.07 and 9,452.62 is: 13,043.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115.33 : 20,858.07 = 9,452.62 : x
  2. Step 2: Convert to fraction form
    15,115.33/20,858.07 = 9,452.62/x
  3. Step 3: Cross multiply
    15,115.33x = 20,858.07 × 9,452.62
  4. Step 4: Simplify right side
    15,115.33x = 197,163,409.64
  5. Step 5: Solve for x
    x = 197,163,409.64/15,115.33
  6. Step 6: Final answer
    x = 13,043.94

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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.