Home / 15,192.58-20,960.21-9,449.65

Finding the Fourth Proportional to 15,192.58, 20,960.21 and 9,449.65

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Solution

The fourth proportional to 15,192.58, 20,960.21 and 9,449.65 is: 13,037.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,192.58 : 20,960.21 = 9,449.65 : x
  2. Step 2: Convert to fraction form
    15,192.58/20,960.21 = 9,449.65/x
  3. Step 3: Cross multiply
    15,192.58x = 20,960.21 × 9,449.65
  4. Step 4: Simplify right side
    15,192.58x = 198,066,648.43
  5. Step 5: Solve for x
    x = 198,066,648.43/15,192.58
  6. Step 6: Final answer
    x = 13,037.06

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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.