Home / 18,354.24-25,326.72-11,283.84

Finding the Fourth Proportional to 18,354.24, 25,326.72 and 11,283.84

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Solution

The fourth proportional to 18,354.24, 25,326.72 and 11,283.84 is: 15,570.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.24 : 25,326.72 = 11,283.84 : x
  2. Step 2: Convert to fraction form
    18,354.24/25,326.72 = 11,283.84/x
  3. Step 3: Cross multiply
    18,354.24x = 25,326.72 × 11,283.84
  4. Step 4: Simplify right side
    18,354.24x = 285,782,656.20
  5. Step 5: Solve for x
    x = 285,782,656.20/18,354.24
  6. Step 6: Final answer
    x = 15,570.39

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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.