Home / 13,236.93-18,268.88-7,932.24

Finding the Fourth Proportional to 13,236.93, 18,268.88 and 7,932.24

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Solution

The fourth proportional to 13,236.93, 18,268.88 and 7,932.24 is: 10,947.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.93 : 18,268.88 = 7,932.24 : x
  2. Step 2: Convert to fraction form
    13,236.93/18,268.88 = 7,932.24/x
  3. Step 3: Cross multiply
    13,236.93x = 18,268.88 × 7,932.24
  4. Step 4: Simplify right side
    13,236.93x = 144,913,101.03
  5. Step 5: Solve for x
    x = 144,913,101.03/13,236.93
  6. Step 6: Final answer
    x = 10,947.64

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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.