Home / 23,930.68-33,023-13,175.11

Finding the Fourth Proportional to 23,930.68, 33,023 and 13,175.11

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Solution

The fourth proportional to 23,930.68, 33,023 and 13,175.11 is: 18,180.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,930.68 : 33,023 = 13,175.11 : x
  2. Step 2: Convert to fraction form
    23,930.68/33,023 = 13,175.11/x
  3. Step 3: Cross multiply
    23,930.68x = 33,023 × 13,175.11
  4. Step 4: Simplify right side
    23,930.68x = 435,081,657.53
  5. Step 5: Solve for x
    x = 435,081,657.53/23,930.68
  6. Step 6: Final answer
    x = 18,180.91

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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.