Home / 18,309.26-25,259.63-11,943.33

Finding the Fourth Proportional to 18,309.26, 25,259.63 and 11,943.33

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Solution

The fourth proportional to 18,309.26, 25,259.63 and 11,943.33 is: 16,477.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,309.26 : 25,259.63 = 11,943.33 : x
  2. Step 2: Convert to fraction form
    18,309.26/25,259.63 = 11,943.33/x
  3. Step 3: Cross multiply
    18,309.26x = 25,259.63 × 11,943.33
  4. Step 4: Simplify right side
    18,309.26x = 301,684,037.05
  5. Step 5: Solve for x
    x = 301,684,037.05/18,309.26
  6. Step 6: Final answer
    x = 16,477.13

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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.