Home / 18,256.86-25,195.23-11,540.07

Finding the Fourth Proportional to 18,256.86, 25,195.23 and 11,540.07

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Solution

The fourth proportional to 18,256.86, 25,195.23 and 11,540.07 is: 15,925.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.86 : 25,195.23 = 11,540.07 : x
  2. Step 2: Convert to fraction form
    18,256.86/25,195.23 = 11,540.07/x
  3. Step 3: Cross multiply
    18,256.86x = 25,195.23 × 11,540.07
  4. Step 4: Simplify right side
    18,256.86x = 290,754,717.87
  5. Step 5: Solve for x
    x = 290,754,717.87/18,256.86
  6. Step 6: Final answer
    x = 15,925.78

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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.