Home / 18,493.84-25,528.56-12,556.24

Finding the Fourth Proportional to 18,493.84, 25,528.56 and 12,556.24

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Solution

The fourth proportional to 18,493.84, 25,528.56 and 12,556.24 is: 17,332.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,493.84 : 25,528.56 = 12,556.24 : x
  2. Step 2: Convert to fraction form
    18,493.84/25,528.56 = 12,556.24/x
  3. Step 3: Cross multiply
    18,493.84x = 25,528.56 × 12,556.24
  4. Step 4: Simplify right side
    18,493.84x = 320,542,726.21
  5. Step 5: Solve for x
    x = 320,542,726.21/18,493.84
  6. Step 6: Final answer
    x = 17,332.41

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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.