Home / 23,284.08-32,131.26-13,212

Finding the Fourth Proportional to 23,284.08, 32,131.26 and 13,212

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Solution

The fourth proportional to 23,284.08, 32,131.26 and 13,212 is: 18,232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,284.08 : 32,131.26 = 13,212 : x
  2. Step 2: Convert to fraction form
    23,284.08/32,131.26 = 13,212/x
  3. Step 3: Cross multiply
    23,284.08x = 32,131.26 × 13,212
  4. Step 4: Simplify right side
    23,284.08x = 424,518,207.12
  5. Step 5: Solve for x
    x = 424,518,207.12/23,284.08
  6. Step 6: Final answer
    x = 18,232.12

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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.