Home / 13,196.16-18,230.40-11,615.04

Finding the Fourth Proportional to 13,196.16, 18,230.40 and 11,615.04

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Solution

The fourth proportional to 13,196.16, 18,230.40 and 11,615.04 is: 16,046.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196.16 : 18,230.40 = 11,615.04 : x
  2. Step 2: Convert to fraction form
    13,196.16/18,230.40 = 11,615.04/x
  3. Step 3: Cross multiply
    13,196.16x = 18,230.40 × 11,615.04
  4. Step 4: Simplify right side
    13,196.16x = 211,746,825.22
  5. Step 5: Solve for x
    x = 211,746,825.22/13,196.16
  6. Step 6: Final answer
    x = 16,046.09

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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.