Home / 18,360.98-25,339.41-10,403.27

Finding the Fourth Proportional to 18,360.98, 25,339.41 and 10,403.27

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Solution

The fourth proportional to 18,360.98, 25,339.41 and 10,403.27 is: 14,357.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.98 : 25,339.41 = 10,403.27 : x
  2. Step 2: Convert to fraction form
    18,360.98/25,339.41 = 10,403.27/x
  3. Step 3: Cross multiply
    18,360.98x = 25,339.41 × 10,403.27
  4. Step 4: Simplify right side
    18,360.98x = 263,612,723.87
  5. Step 5: Solve for x
    x = 263,612,723.87/18,360.98
  6. Step 6: Final answer
    x = 14,357.23

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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.