Home / 18,311.49-25,265.66-10,351.98

Finding the Fourth Proportional to 18,311.49, 25,265.66 and 10,351.98

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Solution

The fourth proportional to 18,311.49, 25,265.66 and 10,351.98 is: 14,283.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.49 : 25,265.66 = 10,351.98 : x
  2. Step 2: Convert to fraction form
    18,311.49/25,265.66 = 10,351.98/x
  3. Step 3: Cross multiply
    18,311.49x = 25,265.66 × 10,351.98
  4. Step 4: Simplify right side
    18,311.49x = 261,549,555.25
  5. Step 5: Solve for x
    x = 261,549,555.25/18,311.49
  6. Step 6: Final answer
    x = 14,283.36

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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.