Home / 18,493.28-25,514.96-10,940.48

Finding the Fourth Proportional to 18,493.28, 25,514.96 and 10,940.48

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Solution

The fourth proportional to 18,493.28, 25,514.96 and 10,940.48 is: 15,094.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,493.28 : 25,514.96 = 10,940.48 : x
  2. Step 2: Convert to fraction form
    18,493.28/25,514.96 = 10,940.48/x
  3. Step 3: Cross multiply
    18,493.28x = 25,514.96 × 10,940.48
  4. Step 4: Simplify right side
    18,493.28x = 279,145,909.58
  5. Step 5: Solve for x
    x = 279,145,909.58/18,493.28
  6. Step 6: Final answer
    x = 15,094.45

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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.