Home / 17,661.24-24,358.32-15,532.20

Finding the Fourth Proportional to 17,661.24, 24,358.32 and 15,532.20

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Solution

The fourth proportional to 17,661.24, 24,358.32 and 15,532.20 is: 21,421.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,661.24 : 24,358.32 = 15,532.20 : x
  2. Step 2: Convert to fraction form
    17,661.24/24,358.32 = 15,532.20/x
  3. Step 3: Cross multiply
    17,661.24x = 24,358.32 × 15,532.20
  4. Step 4: Simplify right side
    17,661.24x = 378,338,297.90
  5. Step 5: Solve for x
    x = 378,338,297.90/17,661.24
  6. Step 6: Final answer
    x = 21,421.96

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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.