Home / 13,184.58-18,196.40-8,651.08

Finding the Fourth Proportional to 13,184.58, 18,196.40 and 8,651.08

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Solution

The fourth proportional to 13,184.58, 18,196.40 and 8,651.08 is: 11,939.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.58 : 18,196.40 = 8,651.08 : x
  2. Step 2: Convert to fraction form
    13,184.58/18,196.40 = 8,651.08/x
  3. Step 3: Cross multiply
    13,184.58x = 18,196.40 × 8,651.08
  4. Step 4: Simplify right side
    13,184.58x = 157,418,512.11
  5. Step 5: Solve for x
    x = 157,418,512.11/13,184.58
  6. Step 6: Final answer
    x = 11,939.59

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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.