Home / 23,781.69-32,818.23-13,170.69

Finding the Fourth Proportional to 23,781.69, 32,818.23 and 13,170.69

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Solution

The fourth proportional to 23,781.69, 32,818.23 and 13,170.69 is: 18,175.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,781.69 : 32,818.23 = 13,170.69 : x
  2. Step 2: Convert to fraction form
    23,781.69/32,818.23 = 13,170.69/x
  3. Step 3: Cross multiply
    23,781.69x = 32,818.23 × 13,170.69
  4. Step 4: Simplify right side
    23,781.69x = 432,238,733.68
  5. Step 5: Solve for x
    x = 432,238,733.68/23,781.69
  6. Step 6: Final answer
    x = 18,175.27

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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.