Home / 13,514.03-18,646.04-8,208.53

Finding the Fourth Proportional to 13,514.03, 18,646.04 and 8,208.53

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Solution

The fourth proportional to 13,514.03, 18,646.04 and 8,208.53 is: 11,325.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.03 : 18,646.04 = 8,208.53 : x
  2. Step 2: Convert to fraction form
    13,514.03/18,646.04 = 8,208.53/x
  3. Step 3: Cross multiply
    13,514.03x = 18,646.04 × 8,208.53
  4. Step 4: Simplify right side
    13,514.03x = 153,056,537.68
  5. Step 5: Solve for x
    x = 153,056,537.68/13,514.03
  6. Step 6: Final answer
    x = 11,325.75

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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.