Home / 18,403.13-25,393.57-10,336.48

Finding the Fourth Proportional to 18,403.13, 25,393.57 and 10,336.48

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Solution

The fourth proportional to 18,403.13, 25,393.57 and 10,336.48 is: 14,262.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.13 : 25,393.57 = 10,336.48 : x
  2. Step 2: Convert to fraction form
    18,403.13/25,393.57 = 10,336.48/x
  3. Step 3: Cross multiply
    18,403.13x = 25,393.57 × 10,336.48
  4. Step 4: Simplify right side
    18,403.13x = 262,480,039.11
  5. Step 5: Solve for x
    x = 262,480,039.11/18,403.13
  6. Step 6: Final answer
    x = 14,262.79

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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.