Home / 18,296.86-25,249.69-9,913.36

Finding the Fourth Proportional to 18,296.86, 25,249.69 and 9,913.36

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Solution

The fourth proportional to 18,296.86, 25,249.69 and 9,913.36 is: 13,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.86 : 25,249.69 = 9,913.36 : x
  2. Step 2: Convert to fraction form
    18,296.86/25,249.69 = 9,913.36/x
  3. Step 3: Cross multiply
    18,296.86x = 25,249.69 × 9,913.36
  4. Step 4: Simplify right side
    18,296.86x = 250,309,266.86
  5. Step 5: Solve for x
    x = 250,309,266.86/18,296.86
  6. Step 6: Final answer
    x = 13,680.45

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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.