Home / 18,554.08-25,611.60-11,483.68

Finding the Fourth Proportional to 18,554.08, 25,611.60 and 11,483.68

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Solution

The fourth proportional to 18,554.08, 25,611.60 and 11,483.68 is: 15,851.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,554.08 : 25,611.60 = 11,483.68 : x
  2. Step 2: Convert to fraction form
    18,554.08/25,611.60 = 11,483.68/x
  3. Step 3: Cross multiply
    18,554.08x = 25,611.60 × 11,483.68
  4. Step 4: Simplify right side
    18,554.08x = 294,115,418.69
  5. Step 5: Solve for x
    x = 294,115,418.69/18,554.08
  6. Step 6: Final answer
    x = 15,851.79

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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.