Home / 18,506.14-25,532.50-11,328.58

Finding the Fourth Proportional to 18,506.14, 25,532.50 and 11,328.58

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Solution

The fourth proportional to 18,506.14, 25,532.50 and 11,328.58 is: 15,629.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506.14 : 25,532.50 = 11,328.58 : x
  2. Step 2: Convert to fraction form
    18,506.14/25,532.50 = 11,328.58/x
  3. Step 3: Cross multiply
    18,506.14x = 25,532.50 × 11,328.58
  4. Step 4: Simplify right side
    18,506.14x = 289,246,968.85
  5. Step 5: Solve for x
    x = 289,246,968.85/18,506.14
  6. Step 6: Final answer
    x = 15,629.78

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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.