Home / 18,309.30-25,268.40-10,352.94

Finding the Fourth Proportional to 18,309.30, 25,268.40 and 10,352.94

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Solution

The fourth proportional to 18,309.30, 25,268.40 and 10,352.94 is: 14,287.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,309.30 : 25,268.40 = 10,352.94 : x
  2. Step 2: Convert to fraction form
    18,309.30/25,268.40 = 10,352.94/x
  3. Step 3: Cross multiply
    18,309.30x = 25,268.40 × 10,352.94
  4. Step 4: Simplify right side
    18,309.30x = 261,602,229.10
  5. Step 5: Solve for x
    x = 261,602,229.10/18,309.30
  6. Step 6: Final answer
    x = 14,287.94

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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.