Home / 15,494.24-21,374.52-9,202.16

Finding the Fourth Proportional to 15,494.24, 21,374.52 and 9,202.16

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Solution

The fourth proportional to 15,494.24, 21,374.52 and 9,202.16 is: 12,694.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,494.24 : 21,374.52 = 9,202.16 : x
  2. Step 2: Convert to fraction form
    15,494.24/21,374.52 = 9,202.16/x
  3. Step 3: Cross multiply
    15,494.24x = 21,374.52 × 9,202.16
  4. Step 4: Simplify right side
    15,494.24x = 196,691,646.09
  5. Step 5: Solve for x
    x = 196,691,646.09/15,494.24
  6. Step 6: Final answer
    x = 12,694.51

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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.