Home / 14,268.35-21,394.78-10,116.55

Finding the Fourth Proportional to 14,268.35, 21,394.78 and 10,116.55

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Solution

The fourth proportional to 14,268.35, 21,394.78 and 10,116.55 is: 15,169.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.35 : 21,394.78 = 10,116.55 : x
  2. Step 2: Convert to fraction form
    14,268.35/21,394.78 = 10,116.55/x
  3. Step 3: Cross multiply
    14,268.35x = 21,394.78 × 10,116.55
  4. Step 4: Simplify right side
    14,268.35x = 216,441,299.62
  5. Step 5: Solve for x
    x = 216,441,299.62/14,268.35
  6. Step 6: Final answer
    x = 15,169.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.