Home / 18,296.73-25,249.47-9,913.23

Finding the Fourth Proportional to 18,296.73, 25,249.47 and 9,913.23

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Solution

The fourth proportional to 18,296.73, 25,249.47 and 9,913.23 is: 13,680.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.73 : 25,249.47 = 9,913.23 : x
  2. Step 2: Convert to fraction form
    18,296.73/25,249.47 = 9,913.23/x
  3. Step 3: Cross multiply
    18,296.73x = 25,249.47 × 9,913.23
  4. Step 4: Simplify right side
    18,296.73x = 250,303,803.49
  5. Step 5: Solve for x
    x = 250,303,803.49/18,296.73
  6. Step 6: Final answer
    x = 13,680.25

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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.