Home / 15,458.73-21,350.43-10,414.12

Finding the Fourth Proportional to 15,458.73, 21,350.43 and 10,414.12

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Solution

The fourth proportional to 15,458.73, 21,350.43 and 10,414.12 is: 14,383.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458.73 : 21,350.43 = 10,414.12 : x
  2. Step 2: Convert to fraction form
    15,458.73/21,350.43 = 10,414.12/x
  3. Step 3: Cross multiply
    15,458.73x = 21,350.43 × 10,414.12
  4. Step 4: Simplify right side
    15,458.73x = 222,345,886.70
  5. Step 5: Solve for x
    x = 222,345,886.70/15,458.73
  6. Step 6: Final answer
    x = 14,383.19

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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.