Home / 18,625.43-25,702.96-10,127.56

Finding the Fourth Proportional to 18,625.43, 25,702.96 and 10,127.56

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Solution

The fourth proportional to 18,625.43, 25,702.96 and 10,127.56 is: 13,975.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.43 : 25,702.96 = 10,127.56 : x
  2. Step 2: Convert to fraction form
    18,625.43/25,702.96 = 10,127.56/x
  3. Step 3: Cross multiply
    18,625.43x = 25,702.96 × 10,127.56
  4. Step 4: Simplify right side
    18,625.43x = 260,308,185.29
  5. Step 5: Solve for x
    x = 260,308,185.29/18,625.43
  6. Step 6: Final answer
    x = 13,975.95

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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.