Home / 18,309.36-25,266.96-9,925.80

Finding the Fourth Proportional to 18,309.36, 25,266.96 and 9,925.80

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Solution

The fourth proportional to 18,309.36, 25,266.96 and 9,925.80 is: 13,697.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,309.36 : 25,266.96 = 9,925.80 : x
  2. Step 2: Convert to fraction form
    18,309.36/25,266.96 = 9,925.80/x
  3. Step 3: Cross multiply
    18,309.36x = 25,266.96 × 9,925.80
  4. Step 4: Simplify right side
    18,309.36x = 250,794,791.57
  5. Step 5: Solve for x
    x = 250,794,791.57/18,309.36
  6. Step 6: Final answer
    x = 13,697.63

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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.