Home / 18,467.49-25,476.42-13,429.50

Finding the Fourth Proportional to 18,467.49, 25,476.42 and 13,429.50

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Solution

The fourth proportional to 18,467.49, 25,476.42 and 13,429.50 is: 18,526.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467.49 : 25,476.42 = 13,429.50 : x
  2. Step 2: Convert to fraction form
    18,467.49/25,476.42 = 13,429.50/x
  3. Step 3: Cross multiply
    18,467.49x = 25,476.42 × 13,429.50
  4. Step 4: Simplify right side
    18,467.49x = 342,135,582.39
  5. Step 5: Solve for x
    x = 342,135,582.39/18,467.49
  6. Step 6: Final answer
    x = 18,526.37

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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.