Home / 18,340.04-25,309.92-11,268.68

Finding the Fourth Proportional to 18,340.04, 25,309.92 and 11,268.68

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Solution

The fourth proportional to 18,340.04, 25,309.92 and 11,268.68 is: 15,551.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.04 : 25,309.92 = 11,268.68 : x
  2. Step 2: Convert to fraction form
    18,340.04/25,309.92 = 11,268.68/x
  3. Step 3: Cross multiply
    18,340.04x = 25,309.92 × 11,268.68
  4. Step 4: Simplify right side
    18,340.04x = 285,209,389.31
  5. Step 5: Solve for x
    x = 285,209,389.31/18,340.04
  6. Step 6: Final answer
    x = 15,551.19

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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.