Home / 23,781.52-32,820.34-13,172.14

Finding the Fourth Proportional to 23,781.52, 32,820.34 and 13,172.14

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Solution

The fourth proportional to 23,781.52, 32,820.34 and 13,172.14 is: 18,178.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,781.52 : 32,820.34 = 13,172.14 : x
  2. Step 2: Convert to fraction form
    23,781.52/32,820.34 = 13,172.14/x
  3. Step 3: Cross multiply
    23,781.52x = 32,820.34 × 13,172.14
  4. Step 4: Simplify right side
    23,781.52x = 432,313,949.23
  5. Step 5: Solve for x
    x = 432,313,949.23/23,781.52
  6. Step 6: Final answer
    x = 18,178.57

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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.