Home / 18,360.17-25,336.97-10,403.91

Finding the Fourth Proportional to 18,360.17, 25,336.97 and 10,403.91

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Solution

The fourth proportional to 18,360.17, 25,336.97 and 10,403.91 is: 14,357.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.17 : 25,336.97 = 10,403.91 : x
  2. Step 2: Convert to fraction form
    18,360.17/25,336.97 = 10,403.91/x
  3. Step 3: Cross multiply
    18,360.17x = 25,336.97 × 10,403.91
  4. Step 4: Simplify right side
    18,360.17x = 263,603,613.23
  5. Step 5: Solve for x
    x = 263,603,613.23/18,360.17
  6. Step 6: Final answer
    x = 14,357.36

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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.