Home / 22,451.39-30,966.63-15,268.54

Finding the Fourth Proportional to 22,451.39, 30,966.63 and 15,268.54

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Solution

The fourth proportional to 22,451.39, 30,966.63 and 15,268.54 is: 21,059.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,451.39 : 30,966.63 = 15,268.54 : x
  2. Step 2: Convert to fraction form
    22,451.39/30,966.63 = 15,268.54/x
  3. Step 3: Cross multiply
    22,451.39x = 30,966.63 × 15,268.54
  4. Step 4: Simplify right side
    22,451.39x = 472,815,247.37
  5. Step 5: Solve for x
    x = 472,815,247.37/22,451.39
  6. Step 6: Final answer
    x = 21,059.51

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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.