Home / 25,616.90-35,351.15-14,286.53

Finding the Fourth Proportional to 25,616.90, 35,351.15 and 14,286.53

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Solution

The fourth proportional to 25,616.90, 35,351.15 and 14,286.53 is: 19,715.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,616.90 : 35,351.15 = 14,286.53 : x
  2. Step 2: Convert to fraction form
    25,616.90/35,351.15 = 14,286.53/x
  3. Step 3: Cross multiply
    25,616.90x = 35,351.15 × 14,286.53
  4. Step 4: Simplify right side
    25,616.90x = 505,045,016.82
  5. Step 5: Solve for x
    x = 505,045,016.82/25,616.90
  6. Step 6: Final answer
    x = 19,715.31

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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.