Home / 15,842.15-21,860.68-9,467.48

Finding the Fourth Proportional to 15,842.15, 21,860.68 and 9,467.48

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Solution

The fourth proportional to 15,842.15, 21,860.68 and 9,467.48 is: 13,064.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,842.15 : 21,860.68 = 9,467.48 : x
  2. Step 2: Convert to fraction form
    15,842.15/21,860.68 = 9,467.48/x
  3. Step 3: Cross multiply
    15,842.15x = 21,860.68 × 9,467.48
  4. Step 4: Simplify right side
    15,842.15x = 206,965,441.38
  5. Step 5: Solve for x
    x = 206,965,441.38/15,842.15
  6. Step 6: Final answer
    x = 13,064.23

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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.