Home / 18,393.98-25,382.44-10,010.30

Finding the Fourth Proportional to 18,393.98, 25,382.44 and 10,010.30

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Solution

The fourth proportional to 18,393.98, 25,382.44 and 10,010.30 is: 13,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393.98 : 25,382.44 = 10,010.30 : x
  2. Step 2: Convert to fraction form
    18,393.98/25,382.44 = 10,010.30/x
  3. Step 3: Cross multiply
    18,393.98x = 25,382.44 × 10,010.30
  4. Step 4: Simplify right side
    18,393.98x = 254,085,687.19
  5. Step 5: Solve for x
    x = 254,085,687.19/18,393.98
  6. Step 6: Final answer
    x = 13,813.53

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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.