Home / 15,449.21-23,175.63-11,578.22

Finding the Fourth Proportional to 15,449.21, 23,175.63 and 11,578.22

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Solution

The fourth proportional to 15,449.21, 23,175.63 and 11,578.22 is: 17,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,449.21 : 23,175.63 = 11,578.22 : x
  2. Step 2: Convert to fraction form
    15,449.21/23,175.63 = 11,578.22/x
  3. Step 3: Cross multiply
    15,449.21x = 23,175.63 × 11,578.22
  4. Step 4: Simplify right side
    15,449.21x = 268,332,426.90
  5. Step 5: Solve for x
    x = 268,332,426.90/15,449.21
  6. Step 6: Final answer
    x = 17,368.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.